CVE-2015-6821

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    CVE-2015-6821

    Published: 6 Sept 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.

    References: http://ffmpeg.org/security.html, http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=b160fc290cf49b516c5b6ee0730fd9da7fc623b1, http://www.securitytracker.com/id/1033483, https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html

    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
    CVE-2015-6821 | CVE-DB