{"id":"UBUNTU-CVE-2019-5419","details":"There is a possible denial of service vulnerability in Action View (Rails) \u003c5.2.2.1, \u003c5.1.6.2, \u003c5.0.7.2, \u003c4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.","modified":"2025-09-08T16:45:15Z","published":"2019-03-27T14:29:00Z","upstream":["CVE-2019-5419"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5419"},{"type":"REPORT","url":"https://www.openwall.com/lists/oss-security/2019/03/13/4"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-5419"}],"affected":[{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/rails@2:4.2.6-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:4.1.10-1","2:4.2.5-1","2:4.2.5.1-1","2:4.2.5.2-2","2:4.2.6-1","2:4.2.6-1ubuntu0.1~esm1","2:4.2.6-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"rails"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-actionmailer"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-actionpack"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-actionview"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-activejob"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-activemodel"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-activerecord"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-activesupport"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-rails"},{"binary_version":"2:4.2.6-1ubuntu0.1~esm2","binary_name":"ruby-railties"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5419.json"}},{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/rails@2:4.2.10-0ubuntu4+esm2?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2:4.2.9-2","2:4.2.9-4","2:4.2.10-0ubuntu4","2:4.2.10-0ubuntu4+esm1","2:4.2.10-0ubuntu4+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"rails"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-actionmailer"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-actionpack"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-actionview"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-activejob"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-activemodel"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-activerecord"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-activesupport"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-rails"},{"binary_version":"2:4.2.10-0ubuntu4+esm2","binary_name":"ruby-railties"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-5419.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}