Mozilla Firefox before 3.5.16 and 3.6.x before 3.6.13, and SeaMonkey before 2.0.11, does not properly calculate index values for certain child content in a XUL tree, which allows remote attackers to execute arbitrary code via vectors involving a DIV element within a treechildren element.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12324
https://bugzilla.mozilla.org/show_bug.cgi?id=594547
http://www.vupen.com/english/advisories/2011/0030
http://www.ubuntu.com/usn/USN-1019-1
http://www.securitytracker.com/id?1024848
http://www.securityfocus.com/bid/45351
http://www.redhat.com/support/errata/RHSA-2010-0968.html
http://www.redhat.com/support/errata/RHSA-2010-0967.html
http://www.redhat.com/support/errata/RHSA-2010-0966.html
http://www.mozilla.org/security/announce/2010/mfsa2010-77.html
http://www.mandriva.com/security/advisories?name=MDVSA-2010:251
http://www.debian.org/security/2010/dsa-2132
http://support.avaya.com/css/P8/documents/100124650
http://secunia.com/advisories/42818
http://secunia.com/advisories/42716
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00002.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052504.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052502.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052032.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052022.html