The Tabular Data Control (TDC) ActiveX control in Microsoft Internet Explorer 5.01 SP4, 6 on Windows XP SP2 and SP3, and 6 SP1 allows remote attackers to execute arbitrary code via a long URL (DataURL parameter) that triggers memory corruption in the CTDCCtl::SecurityCHeckDataURL function, aka "Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8080
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-018
http://www.zerodayinitiative.com/advisories/ZDI-10-034
http://www.vupen.com/english/advisories/2010/0744
http://www.us-cert.gov/cas/techalerts/TA10-089A.html
http://www.us-cert.gov/cas/techalerts/TA10-068A.html
http://www.securityfocus.com/bid/39025
http://www.securityfocus.com/archive/1/510507/100/0/threaded