Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via HTML elements with a certain crafted tag, which leads to memory corruption.
secunia.com/advisories/18957
securitytracker.com/id?1015900
www.kb.cert.org/vuls/id/824324
www.securityfocus.com/archive/1/435096/30/4710/threaded
www.us-cert.gov/cas/techalerts/TA06-101A.html
www.vupen.com/english/advisories/2006/1318
docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-013
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1144
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1290
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1296
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1773