The remote Red Hat host is missing one or more security updates.
Updated firefox packages that fix several security issues are now
available for Red Hat Enterprise Linux 5 and 6.
The Red Hat Security Response Team 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 terminate
unexpectedly or, potentially, execute arbitrary code with the
privileges of the user running Firefox. (CVE-2013-5609, CVE-2013-5616,
CVE-2013-5618, CVE-2013-6671, CVE-2013-5613)
A flaw was found in the way Firefox rendered web content with missing
character encoding information. An attacker could use this flaw to
possibly bypass same-origin inheritance and perform cross-site
scripting (XSS) attacks. (CVE-2013-5612)
It was found that certain malicious web content could bypass
restrictions applied by sandboxed iframes. An attacker could combine
this flaw with other vulnerabilities to execute arbitrary code with
the privileges of the user running Firefox. (CVE-2013-5614)
Red Hat would like to thank the Mozilla project for reporting these
issues. Upstream acknowledges Ben Turner, Bobby Holley, Jesse
Ruderman, Christian Holler, Masato Kinugawa, Daniel Veditz, Jesse
Schwartzentruber, Nils, Tyson Smith, and Atte Kettunen as the original
reporters of these issues.
For technical details regarding these flaws, refer to the Mozilla
security advisories for Firefox 24.2.0 ESR. You can find a link to the
Mozilla advisories in the References section of this erratum.
All Firefox users should upgrade to these updated packages, which
contain Firefox version 24.2.0 ESR, which corrects these issues. After
installing the update, Firefox must be restarted for the changes to
See also :
Update the affected firefox and / or firefox-debuginfo packages.
Risk factor :
Critical / CVSS Base Score : 10.0