BIT-gitlab-2023-3909

    Dashboard / Vulnerabilities / BIT-gitlab-2023-3909

    BIT-gitlab-2023-3909

    Published: 6 Mar 2024Last Modified: 10 Sept 2026
    Aliases:
    CVE-2023-3909

    Summary: Inefficient Regular Expression Complexity in GitLab

    Details: An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.

    References: https://gitlab.com/gitlab-org/gitlab/-/issues/418763, https://hackerone.com/reports/2050269, https://nvd.nist.gov/vuln/detail/CVE-2023-3909

    Affected packages

    Package

    Name: gitlab

    Purl: pkg:bitnami/gitlab

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 12.3.0
    Fixed -16.3.6

    Affected versions

    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