A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions before 16.10.6, version 16.11 before 16.11.3, and 17.0 before 17.0.1. It is possible for an attacker to cause a denial of service using a crafted wiki page.
Weakness
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | * | 16.10.6 (excluding) |
| Gitlab | Gitlab | 16.11.0 (including) | 16.11.3 (excluding) |
| Gitlab | Gitlab | 17.0.0 (including) | 17.0.0 (including) |
| Gitlab | Ubuntu | esm-apps-legacy/xenial | * |
| Gitlab | Ubuntu | esm-apps/xenial | * |