UBUNTU-CVE-2026-123269

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    UBUNTU-CVE-2026-123269

    Published: 6 Nov 2026Last Modified: 7 Nov 2026
    Upstream:
    CVE-2026-123269

    Summary:

    Details: A vulnerability was detected in libyal libvmdk. Affected by this vulnerability is the function libvmdk_descriptor_file_read_header of the file libvmdk/libvmdk_descriptor_file.c of the component Descriptor File Parser. The manipulation results in out-of-bounds read. The attack must be initiated from a local position. The exploit is now public and may be used. The patch is identified as 175d3fc0a0b961f362f16e7560a6169d7213e16b. It is best practice to apply a patch to resolve this issue.

    References: https://ubuntu.com/security/CVE-2026-123269, https://www.cve.org/CVERecord?id=CVE-2026-123269, https://github.com/libyal/libvmdk/issues/41, https://github.com/libyal/libvmdk/, https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b, https://github.com/user-attachments/files/33394231/03_integer_underflow_poc.zip, https://vuldb.com/cve/CVE-2026-123269, https://vuldb.com/submit/1032842, https://vuldb.com/vuln/431575, https://vuldb.com/vuln/431575/cti

    Affected packages

    Package

    Name: libvmdk

    Purl: pkg:deb/ubuntu/libvmdk?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    20150516-2

    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-2026-123269 | CVE-DB