CVE-2023-3424

    Dashboard / Vulnerabilities / CVE-2023-3424

    CVE-2023-3424

    Published: 13 Jul 2023Last Modified: 11 Sept 2026

    Summary: Inefficient Regular Expression Complexity in GitLab

    Details: An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/3xxx/CVE-2023-3424.json, https://nvd.nist.gov/vuln/detail/CVE-2023-3424, https://gitlab.com/gitlab-org/gitlab/-/issues/409802, git://[email protected]:gitlab-org/gitlab.git, https://hackerone.com/reports/1960970

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 6369db0196ec7b6e288b16382c95243424a59b62
    Fixed -6d037533ce72e8b309efcb41b2801a3c8244789d

    Affected versions

    v16.0.5-ee
    v16.0.4-ee
    v16.0.3-ee
    v16.0.0-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-2023-3424 | CVE-DB