Provide references for CVE-2019-16215.
Where can I find more information about CVE-2019-16215?
References are available at: https://blog.zulip.org/2019/09/11/zulip-server-2-0-5-security-release/, https://github.com/zulip/zulip/commit/5797f013b3be450c146a4141514bda525f2f1b51.