Provide references for CVE-2019-19775.
Where can I find more information about CVE-2019-19775?
References are available at: https://github.com/zulip/zulip/commit/b7c87a4d82397a5e6ac169b6098bed0b1ae7a583, https://blog.zulip.org/2019/12/13/zulip-server-2-0-8-security-release/.