Stack-based buffer overflow in Microsoft Office Excel 2002 SP3 allows remote attackers to execute arbitrary code via an Excel file with a malformed RTD (0x813) record, aka "Excel RTD Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6839
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-038
http://www.us-cert.gov/cas/techalerts/TA10-159B.html
http://www.securityfocus.com/archive/1/511755/100/0/threaded