{"id":"CVE-2019-5419","aliases":["GHSA-m63j-wh5w-c252"],"url":"https://o3.security/vulnerability/CVE-2019-5419","summary":"Denial of Service Vulnerability in Action View","details":"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.","published":"2019-03-27T14:29:01.657Z","modified":"2026-09-09T03:30:50.911592936Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"4.2.11.1"},{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"5.2.2.1"},{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"5.1.6.2"},{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"5.0.7.2"},{"ecosystem":"RubyGems","name":"actionview","fixedVersion":"6.0.0.beta3"}],"fix":null,"references":[{"type":"WEB","url":"https://groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:0796"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1147"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1149"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2019:1289"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/03/msg00042.html"},{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2019/03/22/1"},{"type":"FIX","url":"https://weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T03:30:50.911592936Z"}}