Provide references for CVE-2019-6990.
Where can I find more information about CVE-2019-6990?
References are available at: https://github.com/ZoneMinder/zoneminder/commit/a3e8fd4fd5b579865f35aac3b964bc78d5b7a94a, https://github.com/ZoneMinder/zoneminder/issues/2444.