CVE-2019-5464
A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.
Date published : 2020-01-27
https://about.gitlab.com/releases/2019/07/29/security-release-gitlab-12-dot-1-dot-2-released/