CVE-2023-3210

Inefficient Regular Expression Complexity in GitLab

An issue has been discovered in GitLab affecting all versions starting from 15.11 before 16.1.5, all versions starting from 16.2 before 16.2.5, all versions starting from 16.3 before 16.3.1. An authenticated user could trigger a denial of service when importing or cloning malicious content.

Affected

GitLab

CVSS v3.1 NVD

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

EPSS

0.81% chance of exploitation in the next 30 days, 56th percentile

Published

2023-09-01

Updated

2025-11-20

Proof-of-concept exploits (1)

• https://hackerone.com/reports/2011474

Security advisories

• https://gitlab.com/gitlab-org/gitlab/-/issues/415074

References

• CVE Record
• NVD entry