{"id":"UBUNTU-CVE-2019-11236","details":"In the urllib3 library through 1.24.1 for Python, CRLF injection is possible if the attacker controls the request parameter.","modified":"2026-02-04T03:48:48.496237Z","published":"2019-04-15T00:00:00Z","related":["USN-3990-1","USN-3990-2"],"upstream":["CVE-2019-11236"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-11236"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3990-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3990-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-11236"}],"affected":[{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.7.1-1ubuntu4.1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7.1-1ubuntu4.1+esm1"}]}],"versions":["1.6-2","1.7.1-1","1.7.1-1build1","1.7.1-1ubuntu0.1","1.7.1-1ubuntu3","1.7.1-1ubuntu4","1.7.1-1ubuntu4.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.7.1-1ubuntu4.1+esm1","binary_name":"python-urllib3"},{"binary_version":"1.7.1-1ubuntu4.1+esm1","binary_name":"python-urllib3-whl"},{"binary_version":"1.7.1-1ubuntu4.1+esm1","binary_name":"python3-urllib3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11236.json"}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.13.1-2ubuntu0.16.04.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.13.1-2ubuntu0.16.04.3"}]}],"versions":["1.11-1","1.12-1","1.13.1-1","1.13.1-2","1.13.1-2ubuntu0.16.04.1","1.13.1-2ubuntu0.16.04.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.13.1-2ubuntu0.16.04.3","binary_name":"python-urllib3"},{"binary_version":"1.13.1-2ubuntu0.16.04.3","binary_name":"python3-urllib3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11236.json"}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.22-1ubuntu0.18.04.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22-1ubuntu0.18.04.1"}]}],"versions":["1.21.1-1","1.22-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.22-1ubuntu0.18.04.1","binary_name":"python-urllib3"},{"binary_version":"1.22-1ubuntu0.18.04.1","binary_name":"python3-urllib3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-11236.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}