Mozilla Firefox before 3.0.11, Thunderbird, and SeaMonkey do not check content policy before loading a script file into a XUL document, which allows remote attackers to bypass intended access restrictions via a crafted HTML document, as demonstrated by a "web bug" in an e-mail message, or web script or an advertisement in a web page.
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00657.html
https://www.redhat.com/archives/fedora-package-announce/2009-June/msg00574.html
https://rhn.redhat.com/errata/RHSA-2009-1095.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9448
https://exchange.xforce.ibmcloud.com/vulnerabilities/51076
https://bugzilla.redhat.com/show_bug.cgi?id=503582
https://bugzilla.mozilla.org/show_bug.cgi?id=477979
http://www.vupen.com/english/advisories/2009/1572
http://www.securitytracker.com/id?1022379
http://www.securityfocus.com/bid/35326
http://www.mozilla.org/security/announce/2009/mfsa2009-31.html
http://www.mandriva.com/security/advisories?name=MDVSA-2009:141
http://www.debian.org/security/2009/dsa-1820
http://sunsolve.sun.com/search/document.do?assetkey=1-66-264308-1
http://slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.372468
http://secunia.com/advisories/35468
http://secunia.com/advisories/35440
http://secunia.com/advisories/35439
http://secunia.com/advisories/35431
http://secunia.com/advisories/35415