Mozilla Firefox 38.0 and Firefox ESR 38.0 allow user-assisted remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges via a crafted web site that is accessed with unspecified mouse and keyboard actions. NOTE: this vulnerability exists because of a CVE-2015-0821 regression.
https://security.gentoo.org/glsa/201512-10
https://bugzilla.mozilla.org/show_bug.cgi?id=1163422
http://www.ubuntu.com/usn/USN-2656-2
http://www.ubuntu.com/usn/USN-2656-1
http://www.securitytracker.com/id/1032783
http://www.securityfocus.com/bid/75541
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2015/mfsa2015-60.html
http://rhn.redhat.com/errata/RHSA-2015-1207.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html