Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00031.html
https://bugzilla.mozilla.org/show_bug.cgi?id=1218124
https://security.gentoo.org/glsa/201605-06
http://www.mozilla.org/security/announce/2016/mfsa2016-32.html