UBUNTU-CVE-2021-25803

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    UBUNTU-CVE-2021-25803

    Published: 26 Jul 2021Last Modified: 22 Apr 2026
    Upstream:
    CVE-2021-25803
    Aliases:
    USN-6180-1

    Summary:

    Details: A buffer overflow vulnerability in the vlc_input_attachment_New component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.

    References: https://ubuntu.com/security/CVE-2021-25803, https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb, https://code.videolan.org/videolan/vlc-3.0/-/commit/56cbe9c4b59edbdc5e1bb2687992f3bbf492eccb, https://ubuntu.com/security/notices/USN-6180-1, https://www.cve.org/CVERecord?id=CVE-2021-25803

    Affected packages

    Package

    Name: vlc

    Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.2.2-5ubuntu0.16.04.5+esm2

    Affected versions

    2.2.1-3
    2.2.1-5
    2.2.2-1
    2.2.2-2
    2.2.2-3
    2.2.2-3build1
    2.2.2-4
    2.2.2-5
    2.2.2-5ubuntu0.16.04.1
    2.2.2-5ubuntu0.16.04.2
    2.2.2-5ubuntu0.16.04.3
    2.2.2-5ubuntu0.16.04.4
    2.2.2-5ubuntu0.16.04.5+esm1

    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-2021-25803 | CVE-DB