A potential DoS vulnerability was discovered in Gitlab CE/EE versions 13.7 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 allowed an attacker to trigger high CPU usage via a special crafted input added in Issues, Merge requests, Milestones, Snippets, Wiki pages, etc.
https://hackerone.com/reports/1305431
https://gitlab.com/gitlab-org/gitlab/-/issues/338721
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-1174.json