Mozilla Firefox 3.6.x before 3.6.3 does not properly manage the scopes of DOM nodes that are moved from one document to another, which allows remote attackers to conduct use-after-free attacks and execute arbitrary code via unspecified vectors involving improper interaction with garbage collection, as demonstrated by Nils during a Pwn2Own competition at CanSecWest 2010.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6844
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10924
https://bugzilla.mozilla.org/show_bug.cgi?id=555109
http://www.vupen.com/english/advisories/2010/1773
http://www.vupen.com/english/advisories/2010/1640
http://www.vupen.com/english/advisories/2010/1592
http://www.vupen.com/english/advisories/2010/1557
http://www.ubuntu.com/usn/usn-930-2
http://www.securitytracker.com/id?1023817
http://www.redhat.com/support/errata/RHSA-2010-0501.html
http://www.redhat.com/support/errata/RHSA-2010-0500.html
http://www.mozilla.org/security/announce/2010/mfsa2010-25.html
http://ubuntu.com/usn/usn-930-1
http://twitter.com/thezdi/statuses/11005277222
http://support.avaya.com/css/P8/documents/100091069
http://secunia.com/advisories/40481
http://secunia.com/advisories/40401
http://secunia.com/advisories/40326
http://secunia.com/advisories/40323
http://news.cnet.com/8301-27080_3-20001126-245.html
http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00005.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043405.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043369.html