Critical CentOS firefox Security Update


firefox-38.2.0-4.el5.centos.i386.rpm, firefox-38.2.0-4.el5.centos.src.rpm, firefox-38.2.0-4.el5.centos.x86_64.rpm, firefox-38.2.0-4.el6.centos.i686.rpm, firefox-38.2.0-4.el6.centos.src.rpm, firefox-38.2.0-4.el6.centos.x86_64.rpm, firefox-38.2.0-4.el7.centos.i686.rpm, firefox-38.2.0-4.el7.centos.src.rpm, firefox-38.2.0-4.el7.centos.x86_64.rpm
CVE-2015-4473, CVE-2015-4475, CVE-2015-4478, CVE-2015-4479, CVE-2015-4480, CVE-2015-4484, CVE-2015-4485, CVE-2015-4486, CVE-2015-4487, CVE-2015-4488, CVE-2015-4489, CVE-2015-4491, CVE-2015-4492, CVE-2015-4493,,,
2017-07-27 19:09
Moderate CentOS gdk-pixbuf2 Security Update
Important CentOS thunderbird Security Update
CVE-2015-4480 iceweasel
CVE-2015-4479 iceweasel
CVE-2015-4484 iceweasel
CVE-2015-4487 iceweasel
CVE-2015-4478 iceweasel
CVE-2015-4475 iceweasel
CVE-2015-4473 iceweasel
CVE-2015-4473 icedove
CVE-2015-4488 icedove
CVE-2015-4491 gdk-pixbuf
CVE-2015-4489 icedove
CVE-2015-4489 iceweasel
CVE-2015-4485 libvpx
CVE-2015-4488 iceweasel
CVE-2015-4487 icedove
CVE-2015-4486 libvpx
CVE-2015-4491 gtk+2.0
CVE-2015-4493 iceweasel
CVE-2015-4492 iceweasel
2017-04-01 19:09
2017-01-05 20:13


Updated firefox packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 5, 6, and 7.

Red Hat Product Security has rated this update as having Critical security
impact. Common Vulnerability Scoring System (CVSS) base scores, which give
detailed severity ratings, are available for each vulnerability from the
CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the XUL
Runtime environment for Mozilla Firefox.

Several 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-2015-4473, CVE-2015-4475, CVE-2015-4478, CVE-2015-4479,
CVE-2015-4480, CVE-2015-4493, CVE-2015-4484, CVE-2015-4491, CVE-2015-4485,
CVE-2015-4486, CVE-2015-4487, CVE-2015-4488, CVE-2015-4489, CVE-2015-4492)

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Gary Kwong, Christian Holler, Byron Campen, Aki
Helin, André Bargull, Massimiliano Tomassoli,, Massimiliano
Tomassoli, Tyson Smith, Jukka Jylänki, Gustavo Grieco, Abhishek Arya,
Ronald Crane, and Looben Yang as the original reporters of these issues.

All Firefox users should upgrade to these updated packages, which contain
Firefox version 38.2 ESR, which corrects these issues. After installing the
update, Firefox must be restarted for the changes to take effect.
Please see

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Affected package information

Release Package Patched in
5 firefox firefox-38.2.0-4.el5.centos.i386.rpm
firefox firefox-38.2.0-4.el5.centos.src.rpm
firefox firefox-38.2.0-4.el5.centos.x86_64.rpm
6 firefox firefox-38.2.0-4.el6.centos.i686.rpm
firefox firefox-38.2.0-4.el6.centos.src.rpm
firefox firefox-38.2.0-4.el6.centos.x86_64.rpm
7 firefox firefox-38.2.0-4.el7.centos.i686.rpm
firefox firefox-38.2.0-4.el7.centos.src.rpm
firefox firefox-38.2.0-4.el7.centos.x86_64.rpm