CVE-2019-5419

There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive. Date published : 2019-03-27 https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI

https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/