{"id":"USN-7646-1","summary":"rails vulnerability","details":"It was discovered that Rails did not correctly handle headers. An\nattacker could potentially use this issue to view arbitrary files\non a target server. (CVE-2019-5418)\n","modified":"2026-02-10T04:49:34Z","published":"2025-07-17T14:22:57Z","related":["UBUNTU-CVE-2019-5418"],"upstream":["CVE-2019-5418","UBUNTU-CVE-2019-5418"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7646-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-5418"}],"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"},{"fixed":"2:4.2.6-1ubuntu0.1~esm2"}]}],"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"],"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"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2019-5418"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7646-1.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"},{"fixed":"2:4.2.10-0ubuntu4+esm2"}]}],"versions":["2:4.2.9-2","2:4.2.9-4","2:4.2.10-0ubuntu4","2:4.2.10-0ubuntu4+esm1"],"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"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2019-5418"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7646-1.json"}}],"schema_version":"1.7.3"}