CVE-2006-6493: Openldap

Medium severity, CVSS 5.1. EPSS: 9.3% chance of exploitation in the next 30 days.

Buffer overflow in the krbv4_ldap_auth function in servers/slapd/kerberos.c in OpenLDAP 2.4.3 and earlier, when OpenLDAP is compiled with the --enable-kbind (Kerberos KBIND) option, allows remote attackers to execute arbitrary code via an LDAP bind request using the LDAP_AUTH_KRBV41 authentication method and long credential data.

Affected products

• Openldap Openldap: up to and including 2.4.3; version 1.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.1 only; …

Published 2006-12-13. Last modified 2026-06-16.