CVE-2024-4539: Allocation of Resources Without Limits or Throttling in GitLab

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-14 · updated 2026-06-17
Weakness: CWE-770

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2 where abusing the API to filter branch and tags could lead to Denial of Service.

Affected products

GitLab: from 15.4.0 before 16.9.7; from 16.10.0 before 16.10.5; from 16.11.0 before 16.11.2 — fixed in 16.10.5, 16.11.2, 16.9.7

How to fix

Upgrade to a fixed version: GitLab 16.10.5, 16.11.2, 16.9.7. Check the vendor advisory for mitigations.

References

https://gitlab.com/gitlab-org/gitlab/-/issues/454815
https://gitlab.com/gitlab-org/gitlab/-/issues/454815

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