firefox is vulnerable to arbitrary code execution attacks. The vulnerability exists as Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 allow remote attackers to bypass the Same Origin Policy and execute arbitrary JavaScript code with chrome privileges via vectors involving anchor navigation, a similar issue to CVE-2015-0818.
lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00003.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00006.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00006.html
lists.opensuse.org/opensuse-security-announce/2015-05/msg00012.html
lists.opensuse.org/opensuse-security-announce/2015-05/msg00012.html
lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
rhn.redhat.com/errata/RHSA-2015-0766.html
rhn.redhat.com/errata/RHSA-2015-0766.html
rhn.redhat.com/errata/RHSA-2015-0771.html
rhn.redhat.com/errata/RHSA-2015-0771.html
www.debian.org/security/2015/dsa-3211
www.debian.org/security/2015/dsa-3211
www.debian.org/security/2015/dsa-3212
www.debian.org/security/2015/dsa-3212
www.mozilla.org/security/announce/2015/mfsa2015-40.html
www.mozilla.org/security/announce/2015/mfsa2015-40.html
www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
www.securityfocus.com/bid/73455
www.securityfocus.com/bid/73455
www.securitytracker.com/id/1031996
www.securitytracker.com/id/1031996
www.securitytracker.com/id/1032000
www.securitytracker.com/id/1032000
www.ubuntu.com/usn/USN-2550-1
www.ubuntu.com/usn/USN-2550-1
www.ubuntu.com/usn/USN-2552-1
www.ubuntu.com/usn/USN-2552-1
access.redhat.com/security/updates/classification/#critical
bugzilla.mozilla.org/show_bug.cgi?id=1146339
bugzilla.mozilla.org/show_bug.cgi?id=1146339
rhn.redhat.com/errata/RHSA-2015-0766.html
security.gentoo.org/glsa/201512-10
security.gentoo.org/glsa/201512-10
www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr31.6