Use-after-free vulnerability in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to execute arbitrary code via vectors involving an onresize event during the playing of a video.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A17147
https://bugzilla.mozilla.org/show_bug.cgi?id=860971
http://www.ubuntu.com/usn/USN-1823-1
http://www.ubuntu.com/usn/USN-1822-1
http://www.securityfocus.com/bid/59859
http://www.mozilla.org/security/announce/2013/mfsa2013-46.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:165
http://www.debian.org/security/2013/dsa-2699
http://rhn.redhat.com/errata/RHSA-2013-0821.html
http://rhn.redhat.com/errata/RHSA-2013-0820.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00006.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00012.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00010.html