Vulnerability in Gitlab

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.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.013 (68.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Gitlab — versions >=8.7, <15.10.8, >=15.11, <15.11.7, >=16.0, <16.0.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-2198?
CVE-2023-2198 is a high-severity vulnerability in Gitlab, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2023-06-07.
How severe is CVE-2023-2198?
High severity. CVSS v3 base score is 7.5 out of 10.