{"id":"USN-5821-4","summary":"python-pip regression","details":"USN-5821-3 fixed a vulnerability in pip. The update introduced\na minor regression in Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and\nUbuntu 18.04 LTS. This update fixes the problem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n Sebastian Chnelik discovered that wheel incorrectly handled\n certain file names when validated against a regex expression.\n An attacker could possibly use this issue to cause a\n denial of service.\n","modified":"2026-05-20T16:03:17.025370410Z","published":"2023-03-02T15:31:43Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5821-4"},{"type":"REPORT","url":"https://launchpad.net/bugs/2009130"}],"affected":[{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python-pip?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.4-1ubuntu4+esm4"}]}],"versions":["1.4.1-2","1.5.4-1","1.5.4-1ubuntu1","1.5.4-1ubuntu3","1.5.4-1ubuntu4","1.5.4-1ubuntu4+esm1","1.5.4-1ubuntu4+esm2","1.5.4-1ubuntu4+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.4-1ubuntu4+esm4","binary_name":"python-pip"},{"binary_version":"1.5.4-1ubuntu4+esm4","binary_name":"python-pip-whl"},{"binary_version":"1.5.4-1ubuntu4+esm4","binary_name":"python3-pip"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5821-4.json"}},{"package":{"name":"python-pip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/python-pip?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.1.1-2ubuntu0.6+esm5"}]}],"versions":["1.5.6-7ubuntu1","1.5.6-7ubuntu2","8.0.2-7","8.0.3-1","8.0.3-2","8.1.0-1","8.1.0-2","8.1.1-1","8.1.1-2","8.1.1-2ubuntu0.1","8.1.1-2ubuntu0.2","8.1.1-2ubuntu0.4","8.1.1-2ubuntu0.6","8.1.1-2ubuntu0.6+esm2","8.1.1-2ubuntu0.6+esm3","8.1.1-2ubuntu0.6+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"8.1.1-2ubuntu0.6+esm5","binary_name":"python-pip"},{"binary_version":"8.1.1-2ubuntu0.6+esm5","binary_name":"python-pip-whl"},{"binary_version":"8.1.1-2ubuntu0.6+esm5","binary_name":"python3-pip"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5821-4.json"}},{"package":{"name":"python-pip","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-pip?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.1-2.3~ubuntu1.18.04.8"}]}],"versions":["9.0.1-2","9.0.1-2.3~ubuntu1","9.0.1-2.3~ubuntu1.18.04.1","9.0.1-2.3~ubuntu1.18.04.2","9.0.1-2.3~ubuntu1.18.04.3","9.0.1-2.3~ubuntu1.18.04.4","9.0.1-2.3~ubuntu1.18.04.5","9.0.1-2.3~ubuntu1.18.04.6","9.0.1-2.3~ubuntu1.18.04.7"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8","binary_name":"python-pip"},{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8","binary_name":"python-pip-whl"},{"binary_version":"9.0.1-2.3~ubuntu1.18.04.8","binary_name":"python3-pip"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5821-4.json"}}],"schema_version":"1.7.5"}