Resource exhaustion in GitLab

CVE-2023-4912

An issue has been discovered in GitLab EE affecting all versions starting from 10.5 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted mermaid diagram input.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (45.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4912: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.000

Affected products

  • GitLab — versions 10.5, 16.6.0, 16.5

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4912?
CVE-2023-4912 is a low-severity vulnerability in GitLab, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 2.6/10. Published 2023-12-01.
How severe is CVE-2023-4912?
Low severity. CVSS v3 base score is 2.6 out of 10.
Is CVE-2023-4912 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.