The AppendAttributeValue function in the JavaScript engine in Mozilla Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger memory corruption, as demonstrated by e4x/extensions/regress-410192.js.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9449
https://bugzilla.mozilla.org/show_bug.cgi?id=454113
http://www.vupen.com/english/advisories/2008/3146
http://www.us-cert.gov/cas/techalerts/TA08-319A.html
http://www.securitytracker.com/id?1021183
http://www.securityfocus.com/bid/32281
http://www.mozilla.org/security/announce/2008/mfsa2008-52.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:235
http://www.mandriva.com/security/advisories?name=MDVSA-2008:228
http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00004.html