DEBIAN-CVE-2020-21697

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    DEBIAN-CVE-2020-21697

    Published: 10 Aug 2021Last Modified: 11 Sept 2026
    Upstream:
    CVE-2020-21697

    Summary:

    Details: A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.

    References: https://security-tracker.debian.org/tracker/CVE-2020-21697

    Affected packages

    Package

    Name: ffmpeg

    Purl: pkg:deb/debian/ffmpeg?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -7:4.4-5

    Affected versions

    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
    DEBIAN-CVE-2020-21697 | CVE-DB