A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. Malformed content added to the issue description could have been used to trigger high CPU usage.
https://hackerone.com/reports/1543718
https://gitlab.com/gitlab-org/gitlab/-/issues/361982
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-2931.json