CVE-2020-36229
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.
Published Jan 26, 2021 · updated Oct 14, 2026 · openldap openldap
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.
Code
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No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Jan 26, 2021 · NIST NVD
Detected
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.
Oct 14, 2026 · NIST NVD
Updated
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.
Affected
- cpe apple/mac os xversion unspecified
- cpe apple/mac os x10.14.6
- cpe debian/debian linux10.0
- cpe debian/debian linux9.0
- cpe openldap/openldapversion unspecified
Sources
- CVE.orgVulnerability recordCVE-2020-36229
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-36229
30-day exploitation probability 4.3%
first.org - NIST NVDVulnerability recordCVE-2020-36229
A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.
nvd.nist.gov