{"id":"USN-6616-1","summary":"openldap vulnerability","details":"It was discovered that OpenLDAP was not properly performing bounds checks\nwhen executing functions related to LDAP URLs. An attacker could possibly\nuse this issue to cause a denial of service.\n","modified":"2026-04-22T10:44:18.462699Z","published":"2024-01-30T12:42:51Z","related":["UBUNTU-CVE-2023-2953"],"upstream":["CVE-2023-2953","UBUNTU-CVE-2023-2953"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6616-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2953"}],"affected":[{"package":{"name":"openldap","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.10?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.49+dfsg-2ubuntu1.10"}]}],"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","2.4.49+dfsg-2ubuntu1.7","2.4.49+dfsg-2ubuntu1.8","2.4.49+dfsg-2ubuntu1.9"],"ecosystem_specific":{"binaries":[{"binary_name":"ldap-utils","binary_version":"2.4.49+dfsg-2ubuntu1.10"},{"binary_name":"libldap-2.4-2","binary_version":"2.4.49+dfsg-2ubuntu1.10"},{"binary_name":"libldap-common","binary_version":"2.4.49+dfsg-2ubuntu1.10"},{"binary_name":"slapd","binary_version":"2.4.49+dfsg-2ubuntu1.10"},{"binary_name":"slapd-contrib","binary_version":"2.4.49+dfsg-2ubuntu1.10"},{"binary_name":"slapd-smbk5pwd","binary_version":"2.4.49+dfsg-2ubuntu1.10"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-2953","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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6616-1.json"}},{"package":{"name":"openldap","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.5.16+dfsg-0ubuntu0.22.04.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.16+dfsg-0ubuntu0.22.04.2"}]}],"versions":["2.5.6+dfsg-1~exp1ubuntu1","2.5.11+dfsg-1~exp1ubuntu1","2.5.11+dfsg-1~exp1ubuntu3","2.5.11+dfsg-1~exp1ubuntu3.1","2.5.12+dfsg-0ubuntu0.22.04.1","2.5.13+dfsg-0ubuntu0.22.04.1","2.5.14+dfsg-0ubuntu0.22.04.1","2.5.14+dfsg-0ubuntu0.22.04.2","2.5.15+dfsg-0ubuntu0.22.04.1","2.5.16+dfsg-0ubuntu0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"ldap-utils","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"},{"binary_name":"libldap-2.5-0","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"},{"binary_name":"libldap-common","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"},{"binary_name":"slapd","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"},{"binary_name":"slapd-contrib","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"},{"binary_name":"slapd-smbk5pwd","binary_version":"2.5.16+dfsg-0ubuntu0.22.04.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-2953","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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6616-1.json"}}],"schema_version":"1.7.5"}