Microsoft Windows Media Player 7.1, 9, 10, and 11 allows remote attackers to execute arbitrary code via a skin file (WMZ or WMD) with crafted header information that causes a size mismatch between compressed and decompressed data and triggers a heap-based buffer overflow, aka "Windows Media Player Code Execution Vulnerability Parsing Skins."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A2207
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2007/ms07-047
http://www.zerodayinitiative.com/advisories/ZDI-07-046.html
http://www.vupen.com/english/advisories/2007/2871
http://www.us-cert.gov/cas/techalerts/TA07-226A.html
http://www.securityfocus.com/bid/25307
http://www.securityfocus.com/archive/1/476533/100/0/threaded