{"id":"USN-5508-1","summary":"python-ldap vulnerability","details":"It was discovered that Python LDAP incorrectly handled certain regular expressions.\nAn remote attacker could possibly use this issue to cause a denial of service.\n","modified":"2026-02-10T04:42:41Z","published":"2022-07-11T14:09:05Z","related":["UBUNTU-CVE-2021-46823"],"upstream":["CVE-2021-46823","UBUNTU-CVE-2021-46823"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5508-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-46823"}],"affected":[{"package":{"name":"python-ldap","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/python-ldap@3.0.0-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.0-1ubuntu0.2"}]}],"versions":["2.4.41-1","2.5.2-1","3.0.0~b4-1","3.0.0-1","3.0.0-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python-ldap","binary_version":"3.0.0-1ubuntu0.2"},{"binary_name":"python-pyldap","binary_version":"3.0.0-1ubuntu0.2"},{"binary_name":"python3-ldap","binary_version":"3.0.0-1ubuntu0.2"},{"binary_name":"python3-pyldap","binary_version":"3.0.0-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5508-1.json","cves_map":{"cves":[{"id":"CVE-2021-46823","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"python-ldap","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/python-ldap@3.2.0-4ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0-4ubuntu2.1"}]}],"versions":["3.1.0-2build1","3.1.0-2build2","3.2.0-3","3.2.0-3ubuntu1","3.2.0-3ubuntu2","3.2.0-3ubuntu3","3.2.0-4ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-ldap","binary_version":"3.2.0-4ubuntu2.1"},{"binary_name":"python3-pyldap","binary_version":"3.2.0-4ubuntu2.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5508-1.json","cves_map":{"cves":[{"id":"CVE-2021-46823","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"python-ldap","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/python-ldap@3.2.0-4ubuntu7.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.0-4ubuntu7.1"}]}],"versions":["3.2.0-4ubuntu5","3.2.0-4ubuntu6","3.2.0-4ubuntu7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-ldap","binary_version":"3.2.0-4ubuntu7.1"},{"binary_name":"python3-pyldap","binary_version":"3.2.0-4ubuntu7.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5508-1.json","cves_map":{"cves":[{"id":"CVE-2021-46823","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}