The get_tile function in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to cause a denial of service (out-of-bounds write and application crash) or possibly execute arbitrary code via WebM frames with invalid tile sizes that are improperly handled in buffering operations during video playback.
https://security.gentoo.org/glsa/201504-01
https://bugzilla.mozilla.org/show_bug.cgi?id=1063327
https://advisories.mageia.org/MGASA-2014-0421.html
http://www.ubuntu.com/usn/USN-2373-1
http://www.ubuntu.com/usn/USN-2372-1
http://www.securitytracker.com/id/1031030
http://www.securitytracker.com/id/1031028
http://www.securityfocus.com/bid/70428
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
http://www.mozilla.org/security/announce/2014/mfsa2014-77.html
http://www.debian.org/security/2014/dsa-3061
http://www.debian.org/security/2014/dsa-3050
http://secunia.com/advisories/62023
http://secunia.com/advisories/62022
http://secunia.com/advisories/62021
http://secunia.com/advisories/61854
http://secunia.com/advisories/61387
http://rhn.redhat.com/errata/RHSA-2014-1647.html
http://rhn.redhat.com/errata/RHSA-2014-1635.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00003.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
http://lists.opensuse.org/opensuse-updates/2014-11/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html