Use-after-free vulnerability in Microsoft Internet Explorer 5.01 SP4, 6 through SP1, and 7 allows remote attackers to execute arbitrary code via a crafted data stream that triggers memory corruption, as demonstrated using an invalid MIME-type that does not have a registered handler.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5563
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-024
http://www.vupen.com/english/advisories/2008/1148/references
http://www.us-cert.gov/cas/techalerts/TA08-099A.html
http://www.securitytracker.com/id?1019801
http://www.securityfocus.com/bid/28552
http://www.securityfocus.com/archive/1/490840/100/0/threaded
http://secunia.com/secunia_research/2007-100/advisory/