CVE-2009-0084

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 31.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2009-04-15 · updated 2026-06-16
Weakness: CWE-94

Description

Use-after-free vulnerability in DirectShow in Microsoft DirectX 8.1 and 9.0 allows remote attackers to execute arbitrary code via an MJPEG file or video stream with a malformed Huffman table, which triggers an exception that frees heap memory that is later accessed, aka "MJPEG Decompression Vulnerability."

Affected products

Microsoft Directx: 8.1, 9.0, 9.0a, 9.0b, 9.0c

References

http://osvdb.org/53632
http://secunia.com/advisories/34665
http://support.avaya.com/elmodocs2/security/ASA-2009-132.htm
http://www.piotrbania.com/all/adv/ms-directx-mjpeg-adv.txt
http://www.securityfocus.com/bid/34460
http://www.securitytracker.com/id?1022040
http://www.us-cert.gov/cas/techalerts/TA09-104A.html
http://www.vupen.com/english/advisories/2009/1025
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-011
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5618
http://osvdb.org/53632
http://secunia.com/advisories/34665

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