The HxTocCtrl ActiveX control (hxvz.dll), as used in Microsoft Internet Explorer 5.01 SP4 and 6 SP1, in Windows XP SP2, Server 2003 SP1 and SP2, Vista SP1, and Server 2008, allows remote attackers to execute arbitrary code via malformed arguments, which triggers memory corruption.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5475
https://exchange.xforce.ibmcloud.com/vulnerabilities/41464
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-023
http://www.us-cert.gov/cas/techalerts/TA08-099A.html
http://www.securitytracker.com/id?1019800
http://www.securityfocus.com/bid/28606
http://secunia.com/advisories/29714
http://marc.info/?l=bugtraq&m=120845064910729&w=2
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=680