A lack of length validation in GitLab CE/EE affecting all versions from 12.4 before 15.6.7, 15.7 before 15.7.6, and 15.8 before 15.8.1 allows an authenticated attacker to create a large Issue description via GraphQL which, when repeatedly requested, saturates CPU usage.
https://hackerone.com/reports/1685995
https://gitlab.com/gitlab-org/gitlab/-/issues/376247
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-3411.json