CVE-2020-36229

openldap: Type confusion in ad_keystring in ad.c

Published Jan 25, 2021 CVSS 3.1 · 7.5 High EPSS 4.4% KEV · Not listed
Description
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2544-1 openldap security update
Debian DSA Debian DSA DSA-4845-1 openldap security update
EUVD EUVD EUVD-2020-23774 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.
Ubuntu USN Ubuntu USN USN-4724-1 OpenLDAP vulnerabilities
Ubuntu USN Ubuntu USN USN-7713-1 OpenLDAP vulnerabilities
Weaknesses
  • CWE-843

    Access of Resource Using Incompatible Type ('Type Confusion')

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 14, 2026, 9:45 AM
Reserved
Jan 25, 2021, 12:00 AM
Status
Modified
Published
Jan 26, 2021, 6:15 PM
Modified
Oct 14, 2026, 10:17 AM
Severity
Moderate
Public date
Jan 26, 2021, 12:00 AM