Stack-based buffer overflow in Microsoft DirectX 7.0 and 8.1 on Windows 2000 SP4 allows remote attackers to execute arbitrary code via a Synchronized Accessible Media Interchange (SAMI) file with crafted parameters for a Class Name variable, aka the "SAMI Format Parsing Vulnerability."
http://www.zerodayinitiative.com/advisories/ZDI-08-040/
http://www.us-cert.gov/cas/techalerts/TA08-162B.html
http://www.securityfocus.com/bid/29578