CVE-2021-39939

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Dec 13, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-39949.6django-helpdesk is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVE-2021-399406.5An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 beforeCVE-2021-399415.3An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project membCVE-2021-399426.5A denial of service vulnerability in GitLab CE/EE affecting all versions starting from 12.0 before 14.3.6, all versions starting from 14.4 bCVE-2021-399434.3An authorization logic error in the External Status Check API in GitLab EE affecting all versions starting from 14.1 before 14.3.6, all versCVE-2021-399447.1An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 beforeCVE-2021-399452.7Improper access control in the GitLab CE/EE API affecting all versions starting from 9.4 before 14.3.6, all versions starting from 14.4 befoCVE-2021-399465.4Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to expCVE-2021-399477.5In specific circumstances, trace file buffers in GitLab Runner versions up to 14.3.4, 14.4 to 14.4.2, and 14.5 to 14.5.2 would re-use the fiCVE-2021-39955.5A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem.CVE-2021-39965.5A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem.CVE-2021-399667.5There is an Uninitialized AOD driver structure in Smartphones.Successful exploitation of this vulnerability may affect service confidentiali
CVE-2021-39939: Medium severity, CVSS 6.5 | Vulnix