Description
Microsoft Windows Media Format Runtime 9.0, 9.5, and 11 and Windows Media Services 9.1 and 2008 do not properly parse malformed headers in Advanced Systems Format (ASF) files, which allows remote attackers to execute arbitrary code via a crafted (1) .asf, (2) .wmv, or (3) .wma file, aka "Windows Media Header Parsing Invalid Free Vulnerability."
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-047
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-251A.html
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6257
Scores
EPSS
0.2121
EPSS Percentile
97.3%
Details
CWE
CWE-94
Status
published
Products (11)
microsoft/media_foundation_sdk
microsoft/windows_2000
microsoft/windows_media_format_runtime
9.0
microsoft/windows_media_format_runtime
9.5 (2 CPE variants)
microsoft/windows_media_format_runtime
11
microsoft/windows_media_services
9.1
microsoft/windows_media_services
2008
microsoft/windows_server_2003
(2 CPE variants)
microsoft/windows_server_2008
(4 CPE variants)
microsoft/windows_vista
(7 CPE variants)
... and 1 more
Published
Sep 08, 2009
Tracked Since
Feb 18, 2026