Unrated severityNVD Advisory· Published Dec 13, 2006· Updated Apr 23, 2026

CVE-2006-6493

Description

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

119

OpenLDAP/Openldap119 versions
cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*+ 118 more
- cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*range: <=2.4.3
- cpe:2.3:a:openldap:openldap:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:1.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.10:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.11_11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.11_11s:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.11_9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.12:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.14:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.16:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.17:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.18:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.19:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.20:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.21:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.23:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.24:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.25:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.26:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.27:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.8:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.0.9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.12:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.13:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.14:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.15:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.16:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.17:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.18:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.19:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.20:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1_.20:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.21:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.23:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.24:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.25:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.26:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.27:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.28:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.29:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.30:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.14:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.15:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.16:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.17:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.18:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.19:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.20:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.21:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.23:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.24:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.25:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.26:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.27:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.28_r2:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.8:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.2.9:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.3.27_2_2006-10-18:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.3.28_2006-10-22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.3.28_2_2006-10-22:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:2.3.28_e1.0.0:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.phreedom.org/solar/exploits/openldap-kbindnvdExploit
www.securityfocus.com/archive/1/454181/30/0/threadednvdExploitVendor Advisory
secunia.com/advisories/23334nvd
securityreason.com/securityalert/2023nvd
www.vupen.com/english/advisories/2006/4964nvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.007
exploit	0.030
kev	0.000
patch	0.000
ransomware	0.000