CVE-2021-39938

    Dashboard / Vulnerabilities / CVE-2021-39938

    CVE-2021-39938

    Published: 13 Dec 2021Last Modified: 27 Aug 2026

    Summary:

    Details: A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json, https://gitlab.com/gitlab-org/gitlab/-/issues/344873

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- c1710afbd437c557741ff4c7fa185c6ffb89bf1b
    Fixed -057790c613dea428aa523357c333ced5433794ee

    Affected versions

    v14.5.1-ee
    v14.5.0-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-2021-39938 | CVE-DB