{"id":"UBUNTU-CVE-2025-27111","details":"Rack is a modular Ruby web server interface. The Rack::Sendfile middleware logs unsanitised header values from the X-Sendfile-Type header. An attacker can exploit this by injecting escape sequences (such as newline characters) into the header, resulting in log injection. This vulnerability is fixed in 2.2.12, 3.0.13, and 3.1.11.","modified":"2026-05-20T16:21:00.185071301Z","published":"2025-03-04T16:15:00Z","related":["USN-7366-1","USN-7366-2"],"upstream":["CVE-2025-27111"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-27111"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-27111"},{"type":"REPORT","url":"https://github.com/rack/rack/security/advisories/GHSA-8cgq-6mh2-7j6v"},{"type":"REPORT","url":"https://github.com/rack/rack/commit/803aa221e8302719715e224f4476e438f2531a53"},{"type":"REPORT","url":"https://github.com/rack/rack/commit/aeac570bb8080ca7b53b7f2e2f67498be7ebd30b"},{"type":"REPORT","url":"https://github.com/rack/rack/commit/b13bc6bfc7506aca3478dc5ac1c2ec6fc53f82a3"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7366-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7366-2"}],"affected":[{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.2-3+deb8u3ubuntu1~esm9"}]}],"versions":["1.5.2-1","1.5.2-1ubuntu0.1~esm1","1.5.2-3+deb8u3ubuntu1~esm2","1.5.2-3+deb8u3ubuntu1~esm3","1.5.2-3+deb8u3ubuntu1~esm4","1.5.2-3+deb8u3ubuntu1~esm6","1.5.2-3+deb8u3ubuntu1~esm7","1.5.2-3+deb8u3ubuntu1~esm8"],"ecosystem_specific":{"binaries":[{"binary_name":"librack-ruby","binary_version":"1.5.2-3+deb8u3ubuntu1~esm9"},{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm9","binary_name":"librack-ruby1.8"},{"binary_version":"1.5.2-3+deb8u3ubuntu1~esm9","binary_name":"librack-ruby1.9.1"},{"binary_name":"ruby-rack","binary_version":"1.5.2-3+deb8u3ubuntu1~esm9"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27111.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.4-3ubuntu0.2+esm7"}]}],"versions":["1.5.2-4","1.6.4-2","1.6.4-3","1.6.4-3ubuntu0.1","1.6.4-3ubuntu0.2","1.6.4-3ubuntu0.2+esm1","1.6.4-3ubuntu0.2+esm2","1.6.4-3ubuntu0.2+esm4","1.6.4-3ubuntu0.2+esm5","1.6.4-3ubuntu0.2+esm6"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.4-3ubuntu0.2+esm7","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: 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https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27111.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-2ubuntu0.1+esm6"}]}],"versions":["2.0.6-3","2.0.7-2","2.0.7-2ubuntu0.1","2.0.7-2ubuntu0.1+esm1","2.0.7-2ubuntu0.1+esm2","2.0.7-2ubuntu0.1+esm3","2.0.7-2ubuntu0.1+esm4","2.0.7-2ubuntu0.1+esm5"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.7-2ubuntu0.1+esm6","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27111.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.4-5ubuntu1.1+esm1"}]}],"versions":["2.1.4-3","2.1.4-4","2.1.4-5","2.1.4-5ubuntu1","2.1.4-5ubuntu1+esm2","2.1.4-5ubuntu1+esm3","2.1.4-5ubuntu1+esm4","2.1.4-5ubuntu1+esm5","2.1.4-5ubuntu1.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.4-5ubuntu1.1+esm1","binary_name":"ruby-rack"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27111.json"}},{"package":{"name":"ruby-rack","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/ruby-rack?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.7-1ubuntu0.2"}]}],"versions":["2.2.4-3","2.2.7-1","2.2.7-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription 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required","binaries":[{"binary_name":"ruby-rack","binary_version":"3.1.16-0.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-27111.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}