All vulnerabilities

Servers and applications

CVE-2023-3424

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Severity
High 7.5
Published
13 Jul 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
15.11.10, 16.0.6, 16.1.1
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 10.3.0 before 15.11.10
  • From 16.0.0 before 16.0.6
  • From 16.1.0 before 16.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3424
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3424