Heap-based buffer overflow in Microsoft Windows Media Player 6.4 allows remote attackers to execute arbitrary code via (1) a crafted ASF file or (2) crafted streaming content, aka "WMP Heap Overflow Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6184
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-052