Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
https://security.gentoo.org/glsa/201512-10
https://bugzilla.mozilla.org/show_bug.cgi?id=1172397
https://bugzilla.mozilla.org/show_bug.cgi?id=1172076
https://bugzilla.mozilla.org/show_bug.cgi?id=1163852
https://bugzilla.mozilla.org/show_bug.cgi?id=1163359
https://bugzilla.mozilla.org/show_bug.cgi?id=1159973
https://bugzilla.mozilla.org/show_bug.cgi?id=1159321
https://bugzilla.mozilla.org/show_bug.cgi?id=1156861
https://bugzilla.mozilla.org/show_bug.cgi?id=1151650
https://bugzilla.mozilla.org/show_bug.cgi?id=1056410
http://www.ubuntu.com/usn/USN-2656-2
http://www.ubuntu.com/usn/USN-2656-1
http://www.securitytracker.com/id/1032784
http://www.securitytracker.com/id/1032783
http://www.securityfocus.com/bid/75541
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2015/mfsa2015-59.html
http://rhn.redhat.com/errata/RHSA-2015-1455.html
http://rhn.redhat.com/errata/RHSA-2015-1207.html
http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html