CVE-2011-4579

    Dashboard / Vulnerabilities / CVE-2011-4579

    CVE-2011-4579

    Published: 20 Aug 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."

    References: http://ffmpeg.org/, http://libav.org/, http://www.mandriva.com/security/advisories?name=MDVSA-2012:074, http://www.mandriva.com/security/advisories?name=MDVSA-2012:075, http://www.mandriva.com/security/advisories?name=MDVSA-2012:076, http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229, http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=6e24b9488e67849a28e64a8056e05f83cf439229, http://ubuntu.com/usn/usn-1320-1, http://ubuntu.com/usn/usn-1333-1, http://www.securityfocus.com/archive/1/520620

    Affected packages

    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