{"id":"USN-4744-1","summary":"openldap vulnerability","details":"Pasi Saarinen discovered that OpenLDAP incorrectly handled certain short\ntimestamps. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service.\n","modified":"2026-02-10T04:42:03Z","published":"2021-02-22T14:22:08Z","related":["UBUNTU-CVE-2021-27212"],"upstream":["CVE-2021-27212","UBUNTU-CVE-2021-27212"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4744-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-27212"}],"affected":[{"package":{"name":"openldap","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.13?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.42+dfsg-2ubuntu3.13"}]}],"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","2.4.42+dfsg-2ubuntu3.8","2.4.42+dfsg-2ubuntu3.9","2.4.42+dfsg-2ubuntu3.10","2.4.42+dfsg-2ubuntu3.11","2.4.42+dfsg-2ubuntu3.12"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.42+dfsg-2ubuntu3.13","binary_name":"ldap-utils"},{"binary_version":"2.4.42+dfsg-2ubuntu3.13","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.42+dfsg-2ubuntu3.13","binary_name":"libldap2-dev"},{"binary_version":"2.4.42+dfsg-2ubuntu3.13","binary_name":"slapd"},{"binary_version":"2.4.42+dfsg-2ubuntu3.13","binary_name":"slapd-smbk5pwd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"id":"CVE-2021-27212","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-4744-1.json"}},{"package":{"name":"openldap","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.10?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.45+dfsg-1ubuntu1.10"}]}],"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","2.4.45+dfsg-1ubuntu1.5","2.4.45+dfsg-1ubuntu1.6","2.4.45+dfsg-1ubuntu1.7","2.4.45+dfsg-1ubuntu1.8","2.4.45+dfsg-1ubuntu1.9"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"ldap-utils"},{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"libldap-common"},{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"libldap2-dev"},{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"slapd"},{"binary_version":"2.4.45+dfsg-1ubuntu1.10","binary_name":"slapd-smbk5pwd"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2021-27212","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-4744-1.json"}},{"package":{"name":"openldap","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.7?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.49+dfsg-2ubuntu1.7"}]}],"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","2.4.49+dfsg-2ubuntu1.2","2.4.49+dfsg-2ubuntu1.3","2.4.49+dfsg-2ubuntu1.4","2.4.49+dfsg-2ubuntu1.5","2.4.49+dfsg-2ubuntu1.6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"ldap-utils"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"libldap-common"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"libldap2-dev"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"slapd"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"slapd-contrib"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"slapd-smbk5pwd"},{"binary_version":"2.4.49+dfsg-2ubuntu1.7","binary_name":"slapi-dev"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-27212","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-4744-1.json"}}],"schema_version":"1.7.3"}