UBUNTU-CVE-2020-22027

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    UBUNTU-CVE-2020-22027

    Published: 27 May 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2020-22027
    Aliases:
    USN-5472-1

    Summary:

    Details: A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.

    References: https://ubuntu.com/security/CVE-2020-22027, https://trac.ffmpeg.org/attachment/ticket/8242/gdb-vf_neighbor_191, https://trac.ffmpeg.org/ticket/8242, https://ubuntu.com/security/notices/USN-5472-1, https://www.cve.org/CVERecord?id=CVE-2020-22027

    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-2020-22027 | CVE-DB