Published on 20 Sep 2023 | Updated on 20 Sep 2023
More information is available here:
https://about.gitlab.com/releases/2023/09/18/security-release-gitlab-16-3-4-released/
https://www.bleepingcomputer.com/news/security/gitlab-urges-users-to-install-security-updates-for-critical-pipeline-flaw/