Gitea 0.9.99 through 1.12.x before 1.12.6 does not prevent a git protocol path that specifies a TCP port number and also contains newlines (with URL encoding) in ParseRemoteAddr in modules/auth/repo_form.go.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-28991.json"