The XPCSafeJSObjectWrapper class in the SafeJSObjectWrapper (aka SJOW) implementation in Mozilla Firefox 3.6.x before 3.6.9 and Thunderbird 3.1.x before 3.1.3 does not properly restrict objects at the end of scope chains, which allows remote attackers to execute arbitrary JavaScript code with chrome privileges via vectors related to a chrome privileged object and a chain ending in an outer object.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11492
https://exchange.xforce.ibmcloud.com/vulnerabilities/61656
https://bugzilla.mozilla.org/show_bug.cgi?id=584180
http://www.vupen.com/english/advisories/2011/0061
http://www.vupen.com/english/advisories/2010/2323
http://www.securityfocus.com/bid/43092
http://www.mozilla.org/security/announce/2010/mfsa2010-59.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:173
http://support.avaya.com/css/P8/documents/100112690
http://secunia.com/advisories/42867
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox