Mozilla Firefox and Thunderbird is vulnerable to denial of service. It does not prevent the processing of malformed content, allowing a remote attacker to crash the application or potentially execute arbitrary code with the privileges of the process worker.
lists.fedoraproject.org/pipermail/package-announce/2013-September/115907.html
lists.fedoraproject.org/pipermail/package-announce/2013-September/116610.html
lists.fedoraproject.org/pipermail/package-announce/2013-September/117526.html
lists.opensuse.org/opensuse-security-announce/2013-11/msg00005.html
lists.opensuse.org/opensuse-updates/2013-09/msg00055.html
lists.opensuse.org/opensuse-updates/2013-09/msg00057.html
lists.opensuse.org/opensuse-updates/2013-09/msg00059.html
lists.opensuse.org/opensuse-updates/2013-09/msg00060.html
lists.opensuse.org/opensuse-updates/2013-09/msg00061.html
rhn.redhat.com/errata/RHSA-2013-1268.html
rhn.redhat.com/errata/RHSA-2013-1269.html
www.debian.org/security/2013/dsa-2762
www.mozilla.org/security/announce/2013/mfsa2013-76.html
www.mozilla.org/security/known-vulnerabilities/firefoxESR.html
www.securityfocus.com/bid/62463
www.ubuntu.com/usn/USN-1951-1
www.ubuntu.com/usn/USN-1952-1
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=889193
bugzilla.mozilla.org/show_bug.cgi?id=897676
bugzilla.mozilla.org/show_bug.cgi?id=899022
bugzilla.mozilla.org/show_bug.cgi?id=901351
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18939
rhn.redhat.com/errata/RHSA-2013-1268.html