CVE-2022-1954 Denial of service in GitLab
An attacker can cause a GitLab instance to become inaccessible by sending specially crafted web server response headers, exploiting a Regular Expression Denial of Service flaw.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-1954?
CVE-2022-1954 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 1 Jul 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A Regular Expression Denial of Service vulnerability in GitLab CE/EE affecting all versions from 1.0.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows an attacker to make a GitLab instance inaccessible via specially crafted web server response headers
Weakness: CWE-1333
Which versions are affected by CVE-2022-1954?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 1.0.2 | 14.10.5, 15.0.4, 15.1.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2022-1954?
Upgrade gitlab to a fixed version for your release line: 14.10.5, 15.0.4 or 15.1.1.
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-2022-1954 being exploited?
There is no known exploitation of CVE-2022-1954 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
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as BIT-gitlab-2022-1954, GHSA-v254-7f59-gpqj, UBUNTU-CVE-2022-1954.