{"id":"CVE-2023-2953","title":"A vulnerability was found in openldap","summary":"A vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476","CWE-476","CWE-476"],"vendor":"openldap","product":"openldap","affected":["openldap = 2.4","enterprise_linux = 8.0","enterprise_linux = 9.0","macos >= 11.0, < 11.7.9","macos >= 12.0, < 12.6.8","macos >= 13.0, < 13.5","active_iq_unified_manager","clustered_data_ontap","ontap_tools","h300s_firmware","h500s_firmware","h700s_firmware","h410s_firmware","h410c_firmware"],"patched":["macos 13.5"],"published":"2023-05-30","updated":"2026-10-14","sourceUpdated":"2026-10-14T21:17:15.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-2953","references":[{"url":"http://seclists.org/fulldisclosure/2023/Jul/47","label":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/48","label":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/52","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2023-2953","label":"secalert@redhat.com"},{"url":"https://bugs.openldap.org/show_bug.cgi?id=9904","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20230703-0005/","label":"secalert@redhat.com"},{"url":"https://support.apple.com/kb/HT213843","label":"secalert@redhat.com"},{"url":"https://support.apple.com/kb/HT213844","label":"secalert@redhat.com"},{"url":"https://support.apple.com/kb/HT213845","label":"secalert@redhat.com"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/47","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/48","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2023/Jul/52","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/security/cve/CVE-2023-2953","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.openldap.org/show_bug.cgi?id=9904","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20230703-0005/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213843","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213844","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://support.apple.com/kb/HT213845","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-806742.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd"],"epss":0.0193,"epssPercentile":0.79595,"ingestedAt":"2026-10-14T21:57:04.733Z","slug":"CVE-2023-2953","body":"## Overview\n\nA vulnerability was found in openldap. This security flaw causes a null pointer dereference in ber_memalloc_x() function.\n\n## Affected\n\n- `openldap = 2.4`\n- `enterprise_linux = 8.0`\n- `enterprise_linux = 9.0`\n- `macos >= 11.0, < 11.7.9`\n- `macos >= 12.0, < 12.6.8`\n- `macos >= 13.0, < 13.5`\n- `active_iq_unified_manager`\n- `clustered_data_ontap`\n- `ontap_tools`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 13.5`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}