Mozilla Firefox before 33.0 does not properly initialize memory for GIF images, which allows remote attackers to obtain sensitive information from process memory via a crafted web page that triggers a sequence of rendering operations for truncated GIF data within a CANVAS element.
lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html
lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
secunia.com/advisories/62022
secunia.com/advisories/62023
www.mozilla.org/security/announce/2014/mfsa2014-78.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.securityfocus.com/bid/70431
www.securitytracker.com/id/1031028
www.ubuntu.com/usn/USN-2372-1
bugzilla.mozilla.org/show_bug.cgi?id=1063733
security.gentoo.org/glsa/201504-01