CVE-2023-1787 Denial of service in GitLab
An attacker can cause a search timeout and denial of service by submitting a specific HTML payload in an issue description.
- 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-2023-1787?
CVE-2023-1787 is a medium-severity denial of service vulnerability in Gitlab Gitlab, published on 5 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue has been discovered in GitLab affecting all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. A search timeout could be triggered if a specific HTML payload was used in the issue description.
Weakness: CWE-400
Which versions are affected by CVE-2023-1787?
1 open source package ship an affected version, including gitlab. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
gitlab Bitnami | From 15.9.0 | 15.9.4, 15.10.1 |
Products include Gitlab Gitlab.
How do I fix CVE-2023-1787?
Upgrade gitlab to a fixed version for your release line: 15.9.4 or 15.10.1.
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-2023-1787 being exploited?
There is no known exploitation of CVE-2023-1787 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-2023-1787, GHSA-xjw7-jpqw-3q4x, UBUNTU-CVE-2023-1787.