The SavedStacks class in the JavaScript implementation in Mozilla Firefox before 41.0, when the Debugger API is enabled, allows remote attackers to cause a denial of service (getSlotRef assertion failure and application exit) or possibly execute arbitrary code via a crafted web site.
lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html
lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html
www.mozilla.org/security/announce/2015/mfsa2015-102.html
www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
www.securityfocus.com/bid/76815
www.securitytracker.com/id/1033640
www.ubuntu.com/usn/USN-2743-1
www.ubuntu.com/usn/USN-2743-2
www.ubuntu.com/usn/USN-2743-3
www.ubuntu.com/usn/USN-2743-4
bugzilla.mozilla.org/show_bug.cgi?id=1192401