{"id":"CVE-2020-36221","revision":"b00504b9dd34476ea42b7ef88497cedb","records":[{"revision":"b00504b9dd34476ea42b7ef88497cedb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-36221","aliases":[],"title":"An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).","description":"An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).","state":0,"publishedAt":"2021-01-25T09:44:47+00:00","modifiedAt":"2026-10-14T09:44:47.237+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugs.openldap.org/show_bug.cgi?id=9404","https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31","https://bugs.openldap.org/show_bug.cgi?id=9424","https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842","https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57","https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html","https://www.debian.org/security/2021/dsa-4845","https://security.netapp.com/advisory/ntap-20210226-0002/","https://support.apple.com/kb/HT212529","https://support.apple.com/kb/HT212531","https://support.apple.com/kb/HT212530","http://seclists.org/fulldisclosure/2021/May/70","http://seclists.org/fulldisclosure/2021/May/64","http://seclists.org/fulldisclosure/2021/May/65","https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E","https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-36221","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-36221","identifiers":["CVE-2020-36221"]},"retained":false,"historicalAffected":[]}],"coverage":[]}