CVE-2024-6324 Inefficient Algorithmic Complexity in GitLab

What is CVE-2024-6324?

CVE-2024-6324 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 9 Jan 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.7 prior to 17.5.5, starting from 17.6 prior to 17.6.3, and starting from 17.7 prior to 17.7.1. It was possible to trigger a DoS by creating cyclic references between epics.

Weakness: CWE-407

Which versions are affected by CVE-2024-6324?

1 open source package ship an affected version, including gitlab. It affects 1 product.

Products include Gitlab Gitlab.

How do I fix CVE-2024-6324?

Upgrade gitlab to a fixed version for your release line: 17.5.5, 17.6.3 or 17.7.1.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-6324 being exploited?

There is no known exploitation of CVE-2024-6324 in the wild and no public exploit code.

Other vulnerabilities in Gitlab Gitlab

• CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound Exploited Critical 10.0
• CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal Exploited Critical 10.0
• CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control Exploited Critical 10.0
• CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution Exploited Critical 10.0
• CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Exploited Medium 6.8

All Gitlab Gitlab vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-gitlab-2024-6324, GHSA-3c89-47f8-w5c6, UBUNTU-CVE-2024-6324.