All vulnerabilities

Servers and applications

CVE-2023-2198

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Severity
High 7.5
Published
7 Jun 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
15.10.8, 15.11.7, 16.0.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 8.7.0 before 15.10.8
  • From 15.11.0 before 15.11.7
  • From 16.0.0 before 16.0.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-2198
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-2198