CVE-2021-39939

    Dashboard / Vulnerabilities / CVE-2021-39939

    CVE-2021-39939

    Published: 13 Dec 2021Last Modified: 27 Aug 2026

    Summary:

    Details: An uncontrolled resource consumption vulnerability in GitLab Runner affecting all versions starting from 13.7 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 triggering a job with a specially crafted docker image to exhaust resources on runner manager

    References: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39939.json, https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28630

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 036576a25d67513637c1e2cba5859af47695188e
    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-2021-39939 | CVE-DB