CVE-2016-5284

mediumpriority · track · 31EPSS 0.024 · 84 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.37% (84th) EPSS

CVSS 4.3 · medium

Is it mine?

98 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-28

Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 rely on unintended expiration dates for Preloaded Public Key Pinning, which allows man-in-the-middle attackers to spoof add-on updates by leveraging possession of an X.509 server certificate for addons.mozilla.org signed by an arbitrary built-in Certification Authority.

remediations

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

A vendor fix is available.

Fixedfirefox-0:45.4.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.ppc64 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.s390 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.s390x as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.src as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-0:45.4.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.s390x as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.src as a component of Red Hat Enterprise Linux Desktop (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.src as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.src as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.src as a component of Red Hat Enterprise Linux Workstation (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.ppc 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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.s390 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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.ppc64 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.s390 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.s390x as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Workstation (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.ppc as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.ppc64 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.s390 as a component of Red Hat Enterprise Linux Server Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.s390x as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Server (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el6_8.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.ppc 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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.s390 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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912
Fixedfirefox-debuginfo-0:45.4.0-1.el7_2.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-2016:1912

cvss

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

7.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.4

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.07.4highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 4

v2.05.1mediumAV:N/AC:H/Au:N/C:P/I:P/A:Psecondary · Red Hat Product Security US

v3.06.8mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.07.4highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nsecondary · Red Hat Product Security US

v3.17.4highAV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:Nsecondary · FSTEC (BDU) RU

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-20US

affected products (98)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
Mozilla Corp. Firefox≤ 49fstec_bduRU
Mozilla Corp. Firefox ESR≤ 45.4fstec_bduRU
Mozilla Corp. Thunderbird≤ 45.4fstec_bduRU
Novell Inc. OpenSUSE Leap≤ 15.0fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 12 SP2fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 12 SP4fstec_bduRU
Novell Inc. Suse Linux Enterprise Desktop≤ 12 SP3fstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP2fstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP4fstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP3fstec_bduRU
Novell Inc. Suse Linux Enterprise Server≤ 12 SP5fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 7fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 6fstec_bduRU
Red Hat Inc. Red Hat Enterprise Linux≤ 5fstec_bduRU
ООО «Инновационные Технологии в Бизнесе» EMIAS OS≤ 1.0fstec_bduRU
mozilla firefox≤ 48.0.2nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 45.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 45.0.1nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox= 45.0.2nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

showing 20 of 98

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2016:1912Red Hat Security Advisory: firefox security update2016-09-21csaf · redhat_csafUS
An update for firefox is now available for Red Hat Enterprise Linux 5, Red Hat Enterprise Linux 6, and Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Critical. 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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd redhat_csaf NVD CVE.org MITRE

published 2016-09-22modified 2026-06-17

related (25,199)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-88771US	critical9.8OT critical	82.2% (100th)	KEV	2026-09-27
Improper input validation vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS,…
CVE-2026-93952US	—OT critical	1.38% (72nd)	KEV	2026-09-22
VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successf…
CVE-2026-12569US	critical9.8OT critical	46.0% (99th)	KEV	2026-06-18
A critical remote code execution (RCE) vulnerability has been reported in PTC Windchill PDMlink and PTC FlexPLM. The vulnerability may be exploited through the deserialization of u…
CVE-2026-34910US	—OT critical	90.0% (100th)	KEV	2026-05-22
A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.
CVE-2026-6973US	—OT critical	34.5% (98th)	KEV	2026-05-07
An Improper Input Validation in Ivanti EPMM before versions 12.6.1.1, 12.7.0.1, and 12.8.0.1 allows a remotely authenticated user with administrative access to achieve remote code…

+25194 more

references (32)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan