Mozilla Firefox before 27.0 does not properly restrict access to about:home buttons by script on other pages, which allows user-assisted remote attackers to cause a denial of service (session restore) via a crafted web site.
https://security.gentoo.org/glsa/201504-01
https://exchange.xforce.ibmcloud.com/vulnerabilities/90888
https://bugzilla.mozilla.org/show_bug.cgi?id=959531
http://www.ubuntu.com/usn/USN-2102-2
http://www.ubuntu.com/usn/USN-2102-1
http://www.securitytracker.com/id/1029717
http://www.securityfocus.com/bid/65329
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.mozilla.org/security/announce/2014/mfsa2014-10.html
http://secunia.com/advisories/56888
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html