UBUNTU-CVE-2020-20450

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    UBUNTU-CVE-2020-20450

    Published: 25 May 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-20450
    Aliases:
    USN-5472-1

    Summary:

    Details: FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service.

    References: https://ubuntu.com/security/CVE-2020-20450, https://trac.ffmpeg.org/ticket/7993, https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5400e4a50c61e53e1bc50b3e77201649bbe9c510, https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=3865b1952e5cf993b016d83ba78fe1deb63bbfad, https://ubuntu.com/security/notices/USN-5472-1, https://www.cve.org/CVERecord?id=CVE-2020-20450

    Affected packages

    Package

    Name: ffmpeg

    Purl: pkg:deb/ubuntu/ffmpeg@7:4.2.7-0ubuntu0.1?arch=source&distro=focal

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7:4.2.7-0ubuntu0.1

    Affected versions

    7:4.1.4-1build2

    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
    UBUNTU-CVE-2020-20450 | CVE-DB