Heap-based buffer overflow in the substringData method in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code, related to an unspecified manipulation of a DOM object before a call to this method, aka the "HTML Objects Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5720
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-031
http://www.zerodayinitiative.com/advisories/ZDI-08-039/
http://www.us-cert.gov/cas/techalerts/TA08-162B.html
http://www.securityfocus.com/bid/29556
http://www.securityfocus.com/archive/1/493253/100/0/threaded
http://securitytracker.com/id?1020225
http://securityreason.com/securityalert/3934