Critical CentOS firefox Security Update


firefox-45.2.0-1.el5.centos.i386.rpm, firefox-45.2.0-1.el5.centos.src.rpm, firefox-45.2.0-1.el5.centos.x86_64.rpm, firefox-45.2.0-1.el6.centos.i686.rpm, firefox-45.2.0-1.el6.centos.src.rpm, firefox-45.2.0-1.el6.centos.x86_64.rpm, firefox-45.2.0-1.el7.centos.i686.rpm, firefox-45.2.0-1.el7.centos.src.rpm, firefox-45.2.0-1.el7.centos.x86_64.rpm
CVE-2016-2818, CVE-2016-2819, CVE-2016-2821, CVE-2016-2822, CVE-2016-2828, CVE-2016-2831,,,
2017-07-27 19:11
Important CentOS thunderbird Security Update
CVE-2016-2822 firefox
CVE-2016-2821 firefox
CVE-2016-2819 firefox
CVE-2016-2831 firefox
CVE-2016-2818 icedove
CVE-2016-2822 firefox-esr
CVE-2016-2821 firefox-esr
CVE-2016-2818 firefox-esr
CVE-2016-2828 firefox
CVE-2016-2831 firefox-esr
CVE-2016-2819 firefox-esr
CVE-2016-2818 firefox
CVE-2016-2828 firefox-esr
2017-04-01 19:09
2017-01-05 20:14


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.

Mozilla Firefox is an open source web browser.

This update upgrades Firefox to version 45.2.0 ESR.

Security Fix(es):

* Multiple flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2016-2818, CVE-2016-2819, CVE-2016-2821, CVE-2016-2822, CVE-2016-2828, CVE-2016-2831)

Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges sushi Anton Larsson, firehack, Jordi Chancel, Christian Holler, Sylvestre Ledru, Tyson Smith, jomo, Jesse Ruderman, Julian Seward, Timothy Nikkel, Karl Tomlinson, Olli Pettay, and Gary Kwong as the original reporters.
Please see

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Affected package information

Release Package Patched in
5 firefox firefox-45.2.0-1.el5.centos.i386.rpm
firefox firefox-45.2.0-1.el5.centos.src.rpm
firefox firefox-45.2.0-1.el5.centos.x86_64.rpm
6 firefox firefox-45.2.0-1.el6.centos.i686.rpm
firefox firefox-45.2.0-1.el6.centos.src.rpm
firefox firefox-45.2.0-1.el6.centos.x86_64.rpm
7 firefox firefox-45.2.0-1.el7.centos.i686.rpm
firefox firefox-45.2.0-1.el7.centos.src.rpm
firefox firefox-45.2.0-1.el7.centos.x86_64.rpm