What is CVE-2023-2232?

CVE-2023-2232 is a medium-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2023-06-28.

How severe is CVE-2023-2232?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in GitLab

CVE-2023-2232

An issue has been discovered in GitLab affecting all versions starting from 15.10 before 16.1, leading to a ReDoS vulnerability in the Jira prefix

Vulnerability class: ReDoS (Regular Expression Denial of Service)

Published 2023-06-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.0th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 75.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

GitLab — versions >=15.10, <16.1

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

gitlab.com/gitlab-org/gitlab/-/issues/408352 (Exploit, Issue Tracking)
hackerone.com/reports/1934802 (Permissions Required)
gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2232.json (Vendor Advisory)

Frequently asked questions

What is CVE-2023-2232?: CVE-2023-2232 is a medium-severity vulnerability in GitLab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2023-06-28.
How severe is CVE-2023-2232?: Medium severity. CVSS v3 base score is 6.5 out of 10.