CVE catalog
CVE-2021-39917
UBUNTU-CVE-2021-39917
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 1.37% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Ubuntu | gitlab | 16.04 | 8.4.3+dfsg-9 | vulnerable |
| Ubuntu | gitlab | 16.04 | 8.4.3+dfsg-12 | vulnerable |
| Ubuntu | gitlab | 16.04 | 8.5.8+dfsg-5 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
No matching packages in this catalog.
Observed: