Provide references for CVE-2019-5420.
Where can I find more information about CVE-2019-5420?
References are available at: https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/, https://groups.google.com/forum/#%21topic/rubyonrails-security/IsQKvDqZdKw, http://packetstormsecurity.com/files/152704/Ruby-On-Rails-DoubleTap-Development-Mode-secret_key_base-Remote-Code-Execution.html, https://www.exploit-db.com/exploits/46785/, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/.