{"id":"USN-6197-1","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":"2026-04-22T10:36:06.829326Z","published":"2023-07-03T12:07:30Z","related":["UBUNTU-CVE-2023-2953"],"upstream":["CVE-2023-2953","UBUNTU-CVE-2023-2953"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6197-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-2953"}],"affected":[{"package":{"name":"openldap","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.31-1+nmu2ubuntu8.5+esm6?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.31-1+nmu2ubuntu8.5+esm6"}]}],"versions":["2.4.31-1+nmu2ubuntu3","2.4.31-1+nmu2ubuntu4","2.4.31-1+nmu2ubuntu5","2.4.31-1+nmu2ubuntu8","2.4.31-1+nmu2ubuntu8.1","2.4.31-1+nmu2ubuntu8.2","2.4.31-1+nmu2ubuntu8.3","2.4.31-1+nmu2ubuntu8.4","2.4.31-1+nmu2ubuntu8.5","2.4.31-1+nmu2ubuntu8.5+esm1","2.4.31-1+nmu2ubuntu8.5+esm2","2.4.31-1+nmu2ubuntu8.5+esm3","2.4.31-1+nmu2ubuntu8.5+esm4","2.4.31-1+nmu2ubuntu8.5+esm5"],"ecosystem_specific":{"binaries":[{"binary_name":"ldap-utils","binary_version":"2.4.31-1+nmu2ubuntu8.5+esm6"},{"binary_name":"libldap-2.4-2","binary_version":"2.4.31-1+nmu2ubuntu8.5+esm6"},{"binary_name":"slapd","binary_version":"2.4.31-1+nmu2ubuntu8.5+esm6"},{"binary_name":"slapd-smbk5pwd","binary_version":"2.4.31-1+nmu2ubuntu8.5+esm6"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6197-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"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"}],"id":"CVE-2023-2953"}]}}},{"package":{"name":"openldap","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.13+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.42+dfsg-2ubuntu3.13+esm2"}]}],"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","2.4.42+dfsg-2ubuntu3.13","2.4.42+dfsg-2ubuntu3.13+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"ldap-utils","binary_version":"2.4.42+dfsg-2ubuntu3.13+esm2"},{"binary_name":"libldap-2.4-2","binary_version":"2.4.42+dfsg-2ubuntu3.13+esm2"},{"binary_name":"slapd","binary_version":"2.4.42+dfsg-2ubuntu3.13+esm2"},{"binary_name":"slapd-smbk5pwd","binary_version":"2.4.42+dfsg-2ubuntu3.13+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6197-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"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"}],"id":"CVE-2023-2953"}]}}},{"package":{"name":"openldap","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.11+esm1?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.45+dfsg-1ubuntu1.11+esm1"}]}],"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","2.4.45+dfsg-1ubuntu1.10","2.4.45+dfsg-1ubuntu1.11"],"ecosystem_specific":{"binaries":[{"binary_name":"ldap-utils","binary_version":"2.4.45+dfsg-1ubuntu1.11+esm1"},{"binary_name":"libldap-2.4-2","binary_version":"2.4.45+dfsg-1ubuntu1.11+esm1"},{"binary_name":"libldap-common","binary_version":"2.4.45+dfsg-1ubuntu1.11+esm1"},{"binary_name":"slapd","binary_version":"2.4.45+dfsg-1ubuntu1.11+esm1"},{"binary_name":"slapd-smbk5pwd","binary_version":"2.4.45+dfsg-1ubuntu1.11+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6197-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"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"}],"id":"CVE-2023-2953"}]}}}],"schema_version":"1.7.5"}