{"id":"USN-4754-4","summary":"python2.7 vulnerability","details":"USN-4754-1 fixed vulnerabilities in Python. Because of a regression, a\nsubsequent update removed the fix for CVE-2021-3177. This update reinstates\nthe security fix for CVE-2021-3177.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that Python incorrectly handled certain inputs.\n An attacker could possibly use this issue to execute arbitrary code\n or cause a denial of service. (CVE-2020-27619, CVE-2021-3177)\n","modified":"2026-02-10T04:42:05Z","published":"2021-03-03T11:38:20Z","related":["UBUNTU-CVE-2021-3177"],"upstream":["CVE-2021-3177","UBUNTU-CVE-2021-3177"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4754-4"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-3177"}],"affected":[{"package":{"name":"python2.7","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python2.7@2.7.12-1ubuntu0~16.04.18?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.12-1ubuntu0~16.04.18"}]}],"versions":["2.7.10-4ubuntu1","2.7.10-4ubuntu2","2.7.11-2","2.7.11-3","2.7.11-4","2.7.11-6","2.7.11-7","2.7.11-7ubuntu1","2.7.12-1~16.04","2.7.12-1ubuntu0~16.04.1","2.7.12-1ubuntu0~16.04.2","2.7.12-1ubuntu0~16.04.3","2.7.12-1ubuntu0~16.04.4","2.7.12-1ubuntu0~16.04.8","2.7.12-1ubuntu0~16.04.9","2.7.12-1ubuntu0~16.04.11","2.7.12-1ubuntu0~16.04.12","2.7.12-1ubuntu0~16.04.13","2.7.12-1ubuntu0~16.04.14","2.7.12-1ubuntu0~16.04.16"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"idle-python2.7"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"libpython2.7"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"libpython2.7-dev"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"libpython2.7-minimal"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"libpython2.7-stdlib"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"libpython2.7-testsuite"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"python2.7"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"python2.7-dev"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"python2.7-examples"},{"binary_version":"2.7.12-1ubuntu0~16.04.18","binary_name":"python2.7-minimal"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-3177"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4754-4.json"}},{"package":{"name":"python2.7","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python2.7@2.7.17-1~18.04ubuntu1.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.17-1~18.04ubuntu1.6"}]}],"versions":["2.7.14-2ubuntu2","2.7.14-4","2.7.14-6","2.7.14-7","2.7.14-8","2.7.15~rc1-1","2.7.15~rc1-1ubuntu0.1","2.7.15-4ubuntu4~18.04","2.7.15-4ubuntu4~18.04.1","2.7.15-4ubuntu4~18.04.2","2.7.17-1~18.04","2.7.17-1~18.04ubuntu1","2.7.17-1~18.04ubuntu1.1","2.7.17-1~18.04ubuntu1.2","2.7.17-1~18.04ubuntu1.3","2.7.17-1~18.04ubuntu1.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"idle-python2.7"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"libpython2.7"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"libpython2.7-dev"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"libpython2.7-minimal"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"libpython2.7-stdlib"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"libpython2.7-testsuite"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"python2.7"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"python2.7-dev"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"python2.7-examples"},{"binary_version":"2.7.17-1~18.04ubuntu1.6","binary_name":"python2.7-minimal"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2021-3177"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4754-4.json"}}],"schema_version":"1.7.3"}