CVE-2023-39976

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    CVE-2023-39976

    Published: 8 Aug 2023Last Modified: 12 Aug 2026

    Summary:

    Details: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.

    References: https://github.com/ClusterLabs/libqb/compare/v2.0.7...v2.0.8, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/39xxx/CVE-2023-39976.json, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KECNF7LFBPE57XSBT6EM7ACVMIBP63WH/, https://nvd.nist.gov/vuln/detail/CVE-2023-39976, https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8, https://github.com/ClusterLabs/libqb/pull/490

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -002171bbcf4bc4728da56c1538afd9e9d814ecaf

    Affected versions

    v2.0.7
    v2.0.6
    v2.0.5
    v2.0.4
    v2.0.3
    v2.0.2
    v2.0.1
    v2.0.0

    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-2023-39976 | CVE-DB