Mozilla Firefox 4.x through 10.0, Firefox ESR 10.x before 10.0.3, Thunderbird 5.0 through 10.0, Thunderbird ESR 10.x before 10.0.3, and SeaMonkey before 2.8 do not properly restrict write access to the window.fullScreen object, which allows remote attackers to spoof the user interface via a crafted web page.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15114
https://bugzilla.mozilla.org/show_bug.cgi?id=727303
http://www.ubuntu.com/usn/USN-1400-5
http://www.ubuntu.com/usn/USN-1400-4
http://www.ubuntu.com/usn/USN-1400-3
http://www.ubuntu.com/usn/USN-1400-2
http://www.ubuntu.com/usn/USN-1400-1
http://www.securitytracker.com/id?1026804
http://www.securitytracker.com/id?1026803
http://www.securitytracker.com/id?1026801
http://www.mozilla.org/security/announce/2012/mfsa2012-18.html
http://www.mandriva.com/security/advisories?name=MDVSA-2012:032
http://secunia.com/advisories/49055
http://secunia.com/advisories/48629
http://secunia.com/advisories/48561
http://secunia.com/advisories/48553
http://secunia.com/advisories/48513
http://secunia.com/advisories/48496
http://secunia.com/advisories/48402
http://secunia.com/advisories/48359
http://rhn.redhat.com/errata/RHSA-2012-0388.html
http://rhn.redhat.com/errata/RHSA-2012-0387.html
http://lists.opensuse.org/opensuse-updates/2012-03/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2012-03/msg00014.html