CVE-2016-9066

mediumpriority · track · 44EPSS 0.120 · 96 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

12.0% (96th) EPSS

CVSS 5 · medium

Is it mine?

84 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

A buffer overflow resulting in a potentially exploitable crash due to memory allocation issues when handling large amounts of incoming data. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

remediations

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

A vendor fix is available.

Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.aarch64 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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.aarch64 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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780
Fixedfirefox-debuginfo-0:45.5.0-1.el7_3.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-2016:2780

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

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

v3.07.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

saelo/foxpwnExploit code for CVE-2016-9066PoC · poc_in_github

affected products (84)

Products and version ranges known to be affected.

Mozilla Firefoxunspecified → 50enisa_euvdEU
Mozilla Firefox ESRunspecified → 45.5enisa_euvdEU
Mozilla Thunderbirdunspecified → 45.5enisa_euvdEU
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
mozilla firefox< 45.5.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla firefox< 50.0nvdUScpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
mozilla thunderbird< 45.5.0nvdUScpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
firefox-0:45.5.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.i386 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.ppc64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.s390 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.s390x as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.src as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.src as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux (v. 5 server)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el5_11.x86_64 as a component of Red Hat Enterprise Linux Desktop (v. 5 client)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop (v. 6)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6)all versionsfixedredhat_csafUS
firefox-0:45.5.0-1.el6_8.i686 as a component of Red Hat Enterprise Linux Server (v. 6)all versionsfixedredhat_csafUS

showing 20 of 84

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2016:2780Red Hat Security Advisory: firefox security update2016-11-16csaf · 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 (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2018-06-11modified 2026-06-17

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Related entries.

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+21023 more

references (24)

External citations — patches, advisories, analysis.

scry

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