{"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":"2026-05-20T16:03:45.928376149Z","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?arch=source&distro=esm-infra-legacy%2Fxenial"},"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":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"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","binary_version":"2:4.2.6-1ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7646-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"rails","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/rails?arch=source&distro=esm-apps%2Fbionic"},"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":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"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","binary_version":"2:4.2.10-0ubuntu4+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7646-1.json","cves_map":{"cves":[{"id":"CVE-2019-5418","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"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}}],"schema_version":"1.7.5"}