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    CVE-2009-0084

    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."

    Published:Apr 15, 2009
    Last Modified:Apr 23, 2026
    EPS:Apr 15, 2009
    EPSS Score:0.61578
    CVSS Score:9.3

    Affected Products

    Vendor
    Microsoft
    Product
    Directx
    Vendor
    Microsoft
    Product
    Windows 2000
    Vendor
    Microsoft
    Product
    Windows Server 2003
    Vendor
    Microsoft
    Product
    Windows Xp

    Exploits

    No exploit reference

    Related CVEs

    CVE-2025-60723 (CVSS 6.3) — Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DirectX…
    CVE-2025-60716 (CVSS 7) — Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.…
    CVE-2025-55698 (CVSS 7.7) — Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.…
    CVE-2025-55678 (CVSS 7) — Use after free in Windows DirectX allows an authorized attacker to elevate privileges locally.…
    CVE-2025-53135 (CVSS 7) — Concurrent execution using shared resource with improper synchronization ('race condition') in Windows DirectX…
    CVE-2025-50176 (CVSS 7.8) — Access of resource using incompatible type ('type confusion') in Graphics Kernel allows an authorized attacker…
    CVE-2012-1537 (CVSS 9.3) — Heap-based buffer overflow in DirectPlay in DirectX 9.0 through 11.1 in Microsoft Windows XP SP2 and SP3, Wind…
    CVE-2010-1880 (CVSS 9.3) — Unspecified vulnerability in Quartz.dll for DirectShow on Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2…
    CVE-2010-1879 (CVSS 9.3) — Unspecified vulnerability in Quartz.dll for DirectShow; Windows Media Format Runtime 9, 9.5, and 11; Media Enc…
    CVE-2009-1539 (CVSS 9.3) — The QuickTime Movie Parser Filter in quartz.dll in DirectShow in Microsoft DirectX 7.0 through 9.0c on Windows…

    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
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High