UBUNTU-CVE-2021-39939

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    UBUNTU-CVE-2021-39939

    Published: 13 Dec 2021Last Modified: 24 Oct 2025
    Upstream:
    CVE-2021-39939

    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://ubuntu.com/security/CVE-2021-39939, https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39939.json, https://gitlab.com/gitlab-org/gitlab-runner/-/issues/28630, https://www.cve.org/CVERecord?id=CVE-2021-39939

    Affected packages

    Package

    Name: gitlab-ci-multi-runner

    Purl: pkg:deb/ubuntu/[email protected]+dfsg-2?arch=source&distro=bionic

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.4.2+dfsg-1

    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
    UBUNTU-CVE-2021-39939 | CVE-DB