{"id":"USN-7698-1","summary":"openldap vulnerabilities","details":"It was discovered that OpenLDAP incorrectly handled Certificate Exact\nAssertion processing. A remote attacker could possibly use this issue to\ncause OpenLDAP to crash, resulting in a denial of service. (CVE-2020-36221)\n\nIt was discovered that OpenLDAP incorrectly handled saslAuthzTo processing.\nA remote attacker could use this issue to cause OpenLDAP to crash,\nresulting in a denial of service, or possibly execute arbitrary code.\n(CVE-2020-36222, CVE-2020-36224, CVE-2020-36225, CVE-2020-36226)\n\nIt was discovered that OpenLDAP incorrectly handled Return Filter control\nhandling. A remote attacker could use this issue to cause OpenLDAP to\ncrash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2020-36223)\n\nIt was discovered that OpenLDAP incorrectly handled certain cancel\noperations. A remote attacker could possibly use this issue to cause\nOpenLDAP to crash, resulting in a denial of service. (CVE-2020-36227)\n\nIt was discovered that OpenLDAP incorrectly handled Certificate List\nExtract Assertion processing. A remote attacker could possibly use this\nissue to cause OpenLDAP to crash, resulting in a denial of service.\n(CVE-2020-36228)","modified":"2026-04-22T11:41:49.851529Z","published":"2025-08-17T23:37:06Z","related":["UBUNTU-CVE-2020-36221","UBUNTU-CVE-2020-36222","UBUNTU-CVE-2020-36223","UBUNTU-CVE-2020-36224","UBUNTU-CVE-2020-36225","UBUNTU-CVE-2020-36226","UBUNTU-CVE-2020-36227","UBUNTU-CVE-2020-36228"],"upstream":["CVE-2020-36221","CVE-2020-36222","CVE-2020-36223","CVE-2020-36224","CVE-2020-36225","CVE-2020-36226","CVE-2020-36227","CVE-2020-36228","UBUNTU-CVE-2020-36221","UBUNTU-CVE-2020-36222","UBUNTU-CVE-2020-36223","UBUNTU-CVE-2020-36224","UBUNTU-CVE-2020-36225","UBUNTU-CVE-2020-36226","UBUNTU-CVE-2020-36227","UBUNTU-CVE-2020-36228"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7698-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36221"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36222"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36223"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36224"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36225"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36226"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36227"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-36228"}],"affected":[{"package":{"name":"openldap","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/openldap@2.4.31-1+nmu2ubuntu8.5+esm7?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.31-1+nmu2ubuntu8.5+esm7"}]}],"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","2.4.31-1+nmu2ubuntu8.5+esm6"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.31-1+nmu2ubuntu8.5+esm7","binary_name":"ldap-utils"},{"binary_version":"2.4.31-1+nmu2ubuntu8.5+esm7","binary_name":"libldap-2.4-2"},{"binary_version":"2.4.31-1+nmu2ubuntu8.5+esm7","binary_name":"slapd"},{"binary_version":"2.4.31-1+nmu2ubuntu8.5+esm7","binary_name":"slapd-smbk5pwd"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7698-1.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":"medium","type":"Ubuntu"}],"id":"CVE-2020-36221"},{"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"}],"id":"CVE-2020-36222"},{"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"}],"id":"CVE-2020-36223"},{"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"}],"id":"CVE-2020-36224"},{"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"}],"id":"CVE-2020-36225"},{"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"}],"id":"CVE-2020-36226"},{"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"}],"id":"CVE-2020-36227"},{"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"}],"id":"CVE-2020-36228"}]}}}],"schema_version":"1.7.5"}