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Case File

CVE-2021-39917

MEDIUM · CVSS 4.3 EPSS 1.33%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-13 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. It affects GitLab.

CVE
CVE-2021-39917
Severity
MEDIUM
CVSS
4.3
EPSS
1.33%
GitLab

Original NVD Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression related to quick actions features was susceptible to catastrophic backtracking that could cause a DOS attack.

Related CVEs

Other vulnerabilities affecting the same vendor(s)