{"id":"USN-4352-1","summary":"openldap vulnerability","details":"It was discovered that OpenLDAP incorrectly handled certain queries. A\nremote attacker could possibly use this issue to cause OpenLDAP to consume\nresources, resulting in a denial of service.\n","modified":"2026-02-10T04:41:49Z","published":"2020-05-06T15:27:11Z","related":["UBUNTU-CVE-2020-12243"],"upstream":["CVE-2020-12243","UBUNTU-CVE-2020-12243"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4352-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12243"}],"affected":[{"package":{"name":"openldap","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.8?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.42+dfsg-2ubuntu3.8"}]}],"versions":["2.4.41+dfsg-1ubuntu2","2.4.41+dfsg-1ubuntu3","2.4.42+dfsg-2ubuntu1","2.4.42+dfsg-2ubuntu3","2.4.42+dfsg-2ubuntu3.1","2.4.42+dfsg-2ubuntu3.2","2.4.42+dfsg-2ubuntu3.3","2.4.42+dfsg-2ubuntu3.4","2.4.42+dfsg-2ubuntu3.5","2.4.42+dfsg-2ubuntu3.6","2.4.42+dfsg-2ubuntu3.7"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.42+dfsg-2ubuntu3.8","binary_name":"ldap-utils"},{"binary_version":"2.4.42+dfsg-2ubuntu3.8","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.42+dfsg-2ubuntu3.8","binary_name":"libldap2-dev"},{"binary_version":"2.4.42+dfsg-2ubuntu3.8","binary_name":"slapd"},{"binary_version":"2.4.42+dfsg-2ubuntu3.8","binary_name":"slapd-smbk5pwd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2020-12243","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4352-1.json"}},{"package":{"name":"openldap","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.5?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.45+dfsg-1ubuntu1.5"}]}],"versions":["2.4.45+dfsg-1ubuntu1","2.4.45+dfsg-1ubuntu1.1","2.4.45+dfsg-1ubuntu1.2","2.4.45+dfsg-1ubuntu1.3","2.4.45+dfsg-1ubuntu1.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"ldap-utils"},{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"libldap-common"},{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"libldap2-dev"},{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"slapd"},{"binary_version":"2.4.45+dfsg-1ubuntu1.5","binary_name":"slapd-smbk5pwd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2020-12243","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4352-1.json"}},{"package":{"name":"openldap","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.49+dfsg-2ubuntu1.2"}]}],"versions":["2.4.48+dfsg-1ubuntu1","2.4.48+dfsg-1ubuntu2","2.4.48+dfsg-1ubuntu3","2.4.48+dfsg-1ubuntu4","2.4.49+dfsg-1ubuntu1","2.4.49+dfsg-2ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"ldap-utils"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"libldap-common"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"libldap2-dev"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"slapd"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"slapd-contrib"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"slapd-smbk5pwd"},{"binary_version":"2.4.49+dfsg-2ubuntu1.2","binary_name":"slapi-dev"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2020-12243","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4352-1.json"}}],"schema_version":"1.7.3"}