Provide references for CVE-2017-0896.
Where can I find more information about CVE-2017-0896?
References are available at: https://groups.google.com/forum/#%21msg/zulip-announce/sUYeJv-fFmg/2TU2TLmNAwAJ, https://hackerone.com/reports/224210, https://github.com/zulip/zulip/commit/1f48fa27672170bba3b9a97384905bb04c18761b.