CVE-2018-7557

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    CVE-2018-7557

    Published: 28 Feb 2018Last Modified: 17 Aug 2026

    Summary:

    Details: The decode_init function in libavcodec/utvideodec.c in FFmpeg 2.8 through 3.4.2 allows remote attackers to cause a denial of service (Out of array read) via an AVI file with crafted dimensions within chroma subsampling data.

    References: https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html, https://security.gentoo.org/glsa/202003-65, https://www.debian.org/security/2018/dsa-4249, https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/7414d0bda7763f9bd69c26c068e482ab297c1c96, https://github.com/FFmpeg/FFmpeg/commit/e724bd1dd9efea3abb8586d6644ec07694afceae

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 58142a27ea96bf9246586a91a82db85e37646933
    Fixed -None

    Affected versions

    n3.4.2
    n3.4.1
    n3.4

    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-2018-7557 | CVE-DB