CVE-2021-38503

highpriority · track · 41OT risk · elevatedEPSS 0.041 · 91 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
4.12% (91st) EPSS
CVSS 7.5 · high
Is it mine?
44 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedfirefox-0:91.3.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Client Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.src as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.ppc64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.s390x as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-debuginfo-0:91.3.0-1.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4116
  • Fixedfirefox-0:91.3.0-1.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-0:91.3.0-1.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-0:91.3.0-1.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-0:91.3.0-1.el8_4.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-0:91.3.0-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4123
  • Fixedthunderbird-0:91.3.0-2.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-0:91.3.0-2.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-0:91.3.0-2.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-0:91.3.0-2.el8_4.src as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-0:91.3.0-2.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_4.aarch64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_4.ppc64le as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_4.s390x as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_4.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4130
  • Fixedthunderbird-0:91.3.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-0:91.3.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-0:91.3.0-2.el8_2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-0:91.3.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4132
  • Fixedthunderbird-0:91.3.0-2.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-0:91.3.0-2.el8_1.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-0:91.3.0-2.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-debugsource-0:91.3.0-2.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4133
  • Fixedthunderbird-0:91.3.0-2.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.src as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.src as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.src as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el7_9.ppc64le as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Client (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Server Optional (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedthunderbird-debuginfo-0:91.3.0-2.el7_9.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 7)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.

    https://access.redhat.com/errata/RHSA-2021:4134
  • Fixedfirefox-0:91.3.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-0:91.3.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-0:91.3.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-0:91.3.0-1.el8_2.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-0:91.3.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_2.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_2.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_2.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_2.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.2)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4605
  • Fixedfirefox-0:91.3.0-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-0:91.3.0-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-0:91.3.0-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-0:91.3.0-1.el8_1.src as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-0:91.3.0-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debuginfo-0:91.3.0-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_1.aarch64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_1.ppc64le as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_1.s390x as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
  • Fixedfirefox-debugsource-0:91.3.0-1.el8_1.x86_64 as a component of Red Hat Enterprise Linux AppStream EUS (v. 8.1)redhat_csaf

    For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

    https://access.redhat.com/errata/RHSA-2021:4607
02

cvss

Technical severity, 0–10. One row per scoring source.

10.0
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–10

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4
v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 6
v3.18.1highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU
v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · Red Hat Product Security US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863USprimaryCWE-254USCWE-732US
04

affected products (44)

Products and version ranges known to be affected.

showing 20 of 44
05

advisories (9)

Vendor and ecosystem advisories describing this.

  • RHSA-2021:4116Red Hat Security Advisory: firefox security update2021-11-03csaf · redhat_csafUS

    An update for firefox is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4123Red Hat Security Advisory: firefox security update2021-11-03csaf · redhat_csafUS

    An update for firefox is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4130Red Hat Security Advisory: thunderbird security update2021-11-04csaf · redhat_csafUS

    An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4132Red Hat Security Advisory: thunderbird security update2021-11-04csaf · redhat_csafUS

    An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4133Red Hat Security Advisory: thunderbird security update2021-11-04csaf · redhat_csafUS

    An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4134Red Hat Security Advisory: thunderbird security update2021-11-04csaf · redhat_csafUS

    An update for thunderbird is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4605Red Hat Security Advisory: firefox security update2021-11-10csaf · redhat_csafUS

    An update for firefox is now available for Red Hat Enterprise Linux 8.2 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • RHSA-2021:4607Red Hat Security Advisory: firefox security update2021-11-10csaf · redhat_csafUS

    An update for firefox is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

  • WID-SEC-W-2023-0839Xerox FreeFlow Print Server: Mehrere SchwachstellenDeutsch2022-02-03csaf · cert_bundDE

    Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Xerox FreeFlow Print Server ausnutzen, um beliebigen Programmcode auszuführen, einen Cross-Site-Scripting-Angriff durchzuführen, Informationen offenzulegen, einen Denial of Service Zustand herbeizuführen oder Dateien zu manipulieren.

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundnvdredhat_csafNVDCVE.orgMITRE
published 2021-12-08modified 2026-06-17
09

references (58)

External citations — patches, advisories, analysis.

scry

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