The nsTreeContentView function in Mozilla Firefox before 3.5.12 and 3.6.x before 3.6.9, Thunderbird before 3.0.7 and 3.1.x before 3.1.3, and SeaMonkey before 2.0.7 does not properly handle node removal in XUL trees, which allows remote attackers to execute arbitrary code via vectors involving access to deleted memory, related to a "dangling pointer vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12136
https://exchange.xforce.ibmcloud.com/vulnerabilities/61661
https://bugzilla.mozilla.org/show_bug.cgi?id=576070
http://www.zerodayinitiative.com/advisories/ZDI-10-171/
http://www.vupen.com/english/advisories/2011/0061
http://www.vupen.com/english/advisories/2010/2323
http://www.securityfocus.com/bid/43097
http://www.mozilla.org/security/announce/2010/mfsa2010-56.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:173
http://www.debian.org/security/2010/dsa-2106
http://support.avaya.com/css/P8/documents/100112690
http://support.avaya.com/css/P8/documents/100110210
http://secunia.com/advisories/42867
http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047282.html
http://blogs.sun.com/security/entry/multiple_vulnerabilities_in_mozilla_firefox