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
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 15.7.0 (including) | 17.5.5 (excluding) |
| Gitlab | Gitlab | 17.6.0 (including) | 17.6.3 (excluding) |
| Gitlab | Gitlab | 17.7.0 (including) | 17.7.1 (excluding) |
| Gitlab | Ubuntu | esm-apps/xenial | * |