CVE-2009-4639

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    CVE-2009-4639

    Published: 10 Feb 2010Last Modified: 10 Apr 2026

    Summary:

    Details: The av_rescale_rnd function in the AVI demuxer in FFmpeg 0.5 allows remote attackers to cause a denial of service (crash) via a crafted AVI file that triggers a divide-by-zero error.

    References: http://secunia.com/advisories/36805, http://secunia.com/advisories/39482, http://www.mandriva.com/security/advisories?name=MDVSA-2011:059, http://www.mandriva.com/security/advisories?name=MDVSA-2011:060, http://www.mandriva.com/security/advisories?name=MDVSA-2011:061, http://www.mandriva.com/security/advisories?name=MDVSA-2011:088, http://www.mandriva.com/security/advisories?name=MDVSA-2011:112, http://www.ubuntu.com/usn/USN-931-1, http://www.vupen.com/english/advisories/2010/0935, http://www.vupen.com/english/advisories/2011/1241, http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html, http://www.securityfocus.com/bid/36465, https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240, https://roundup.ffmpeg.org/roundup/ffmpeg/issue1245

    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