Microsoft Internet Explorer 5.01 SP4 and 6 does not properly handle various HTML layout component combinations, which allows user-assisted remote attackers to execute arbitrary code via a crafted HTML file that leads to memory corruption, aka “HTML Rendering Memory Corruption Vulnerability.”
secunia.com/advisories/21396
securitytracker.com/id?1016663
www.kb.cert.org/vuls/id/340060
www.osvdb.org/27853
www.us-cert.gov/cas/techalerts/TA06-220A.html
www.vupen.com/english/advisories/2006/3212
docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-042
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A502