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    CVE-2021-3497

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

    Published:Mar 15, 2021
    Last Modified:Mar 17, 2026
    EPS:Apr 19, 2021
    EPSS Score:0.00176
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Gstreamer
    Product
    Gstreamer
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    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