CVE-2023-6159

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    CVE-2023-6159

    Published: 26 Jan 2024Last Modified: 11 Sept 2026

    Summary: Inefficient Regular Expression Complexity in GitLab

    Details: An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

    References: https://about.gitlab.com/releases/2024/01/25/critical-security-release-gitlab-16-8-1-released/, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/6xxx/CVE-2023-6159.json, https://nvd.nist.gov/vuln/detail/CVE-2023-6159, https://gitlab.com/gitlab-org/gitlab/-/issues/431924, https://hackerone.com/reports/2251278, git://[email protected]:gitlab-org/gitlab.git

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c6ca82f7978161022addd02f0528cf4b93e96d01
    Fixed -7da037032f0d42a455bbc7624c23bf64e637fb5e

    Affected versions

    v16.8.0-ee

    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-2023-6159 | CVE-DB