CVE-2026-123269

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    CVE-2026-123269

    Published: 6 Nov 2026Last Modified: 8 Nov 2026

    Summary: libyal libvmdk Descriptor File libvmdk_descriptor_file.c libvmdk_descriptor_file_read_header out-of-bounds

    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://github.com/libyal/libvmdk/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/123xxx/CVE-2026-123269.json, https://nvd.nist.gov/vuln/detail/CVE-2026-123269, https://vuldb.com/cve/CVE-2026-123269, https://vuldb.com/submit/1032842, https://vuldb.com/vuln/431575, https://github.com/libyal/libvmdk/issues/41, https://vuldb.com/vuln/431575/cti, https://github.com/libyal/libvmdk/commit/175d3fc0a0b961f362f16e7560a6169d7213e16b, https://github.com/user-attachments/files/33394231/03_integer_underflow_poc.zip

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -175d3fc0a0b961f362f16e7560a6169d7213e16b

    Affected versions

    20260714

    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-2026-123269 | CVE-DB