CVE-2019-11338

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    CVE-2019-11338

    Published: 19 Apr 2019Last Modified: 17 Aug 2026

    Summary:

    Details: libavcodec/hevcdec.c in FFmpeg 3.4 and 4.1.2 mishandles detection of duplicate first slices, which allows remote attackers to cause a denial of service (NULL pointer dereference and out-of-array access) or possibly have unspecified other impact via crafted HEVC data.

    References: http://www.securityfocus.com/bid/108034, http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html, https://lists.debian.org/debian-lts-announce/2019/05/msg00043.html, https://seclists.org/bugtraq/2019/May/60, https://usn.ubuntu.com/3967-1/, https://usn.ubuntu.com/4431-1/, https://www.debian.org/security/2019/dsa-4449, https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e, https://github.com/FFmpeg/FFmpeg/commit/9ccc633068c6fe76989f487c8932bd11886ad65b

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 22b0daa1b3f0ac5d91cc1a057d230995590847cd
    Fixed -None

    Affected versions

    3.4

    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