Provide references for CVE-2019-16891.
Where can I find more information about CVE-2019-16891?
References are available at: https://www.liferay.com/downloads-community, https://www.youtube.com/watch?v=DjMEfQW3bf0, https://sec.vnpt.vn/2019/09/liferay-deserialization-json-deserialization-part-4/, https://dappsec.substack.com/p/an-advisory-for-cve-2019-16891-from.