CVE-2023-3205

Public Exploit
Inefficient Regular Expression Complexity in GitLab

Description

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.

Remediation

Solution:

  • Upgrade to versions 16.3.1, 16.2.5, 16.1.5 or above.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 4.18% Top 15%
Vendor Advisory gitlab.com
Affected: GitLab GitLab
Published at:
Updated at:

References

Link Tags
https://gitlab.com/gitlab-org/gitlab/-/issues/415067 vendor advisory issue tracking
https://hackerone.com/reports/2011464 broken link exploit permissions required technical description

Frequently Asked Questions

What is the severity of CVE-2023-3205?
CVE-2023-3205 has been scored as a medium severity vulnerability.
How to fix CVE-2023-3205?
To fix CVE-2023-3205: Upgrade to versions 16.3.1, 16.2.5, 16.1.5 or above.
Is CVE-2023-3205 being actively exploited in the wild?
It is possible that CVE-2023-3205 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-3205?
CVE-2023-3205 affects GitLab GitLab.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.