An issue was discovered in Mattermost Server before 5.16.0. It allows attackers to cause a denial of service (markdown renderer hang) via many backtick characters.
{ "versions": [ { "introduced": "0" }, { "fixed": "5.16.0" } ] }
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-20857.json"