CVE-2021-3497

    Dashboard / Vulnerabilities / CVE-2021-3497

    CVE-2021-3497

    Published: 19 Apr 2021Last Modified: 8 Jul 2026

    Summary:

    Details: GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.

    References: https://gstreamer.freedesktop.org/security/sa-2021-0002.html, https://lists.debian.org/debian-lts-announce/2021/04/msg00027.html, https://security.gentoo.org/glsa/202208-31, https://www.debian.org/security/2021/dsa-4900, https://bugzilla.redhat.com/show_bug.cgi?id=1945339

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 2383bf6dedb7912df06a8c4f03aa9f241a7aff6f
    Fixed -b5b2e3b9208f1f93bc5b0244d29dfed157d78293

    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
    CVE-2021-3497 | CVE-DB