{"id":"USN-7599-1","summary":"python-urllib3 vulnerabilities","details":"Jacob Sandum discovered that urllib3 handled redirects even when they were\nexplicitly disabled while using the PoolManager. An attacker could possibly\nuse this issue to obtain sensitive information. (CVE-2025-50181)\n\nIllia Volochii discovered that urllib3 incorrectly handled retry and\nredirect parameters when using Node.js. An attacker could possibly use this\nissue to obtain sensitive information. This issue only affected Ubuntu\n25.04. (CVE-2025-50182)","modified":"2026-02-10T04:49:28Z","published":"2025-06-25T18:48:00Z","related":["UBUNTU-CVE-2025-50181"],"upstream":["CVE-2025-50181","CVE-2025-50182","UBUNTU-CVE-2025-50181","UBUNTU-CVE-2025-50182"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7599-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-50181"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-50182"}],"affected":[{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.13.1-2ubuntu0.16.04.4+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.13.1-2ubuntu0.16.04.4+esm3"}]}],"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","1.13.1-2ubuntu0.16.04.3","1.13.1-2ubuntu0.16.04.4","1.13.1-2ubuntu0.16.04.4+esm1","1.13.1-2ubuntu0.16.04.4+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.13.1-2ubuntu0.16.04.4+esm3","binary_name":"python-urllib3"},{"binary_version":"1.13.1-2ubuntu0.16.04.4+esm3","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/usn/USN-7599-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-50181"}]}}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.22-1ubuntu0.18.04.2+esm3?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22-1ubuntu0.18.04.2+esm3"}]}],"versions":["1.21.1-1","1.22-1","1.22-1ubuntu0.18.04.1","1.22-1ubuntu0.18.04.2","1.22-1ubuntu0.18.04.2+esm1","1.22-1ubuntu0.18.04.2+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.22-1ubuntu0.18.04.2+esm3","binary_name":"python-urllib3"},{"binary_version":"1.22-1ubuntu0.18.04.2+esm3","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/usn/USN-7599-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-50181"}]}}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.25.8-2ubuntu0.4+esm1?arch=source&distro=esm-infra/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.8-2ubuntu0.4+esm1"}]}],"versions":["1.24.1-1ubuntu1","1.24.1-1ubuntu2","1.25.8-1","1.25.8-2","1.25.8-2ubuntu0.1","1.25.8-2ubuntu0.2","1.25.8-2ubuntu0.3","1.25.8-2ubuntu0.4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.25.8-2ubuntu0.4+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/usn/USN-7599-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-50181"}]}}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@1.26.5-1~exp1ubuntu0.3?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.5-1~exp1ubuntu0.3"}]}],"versions":["1.26.5-1~exp1","1.26.5-1~exp1ubuntu0.1","1.26.5-1~exp1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.26.5-1~exp1ubuntu0.3","binary_name":"python3-urllib3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7599-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-50181"}]}}},{"package":{"name":"python-urllib3","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/python-urllib3@2.0.7-1ubuntu0.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.7-1ubuntu0.2"}]}],"versions":["1.26.16-1","1.26.18-1","2.0.7-1","2.0.7-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.0.7-1ubuntu0.2","binary_name":"python3-urllib3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7599-1.json","cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-50181"}]}}}],"schema_version":"1.7.3"}