CVE-2011-1206: IBM Tivoli Directory Server

High severity, CVSS 10.0. EPSS: 15.7% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the server process in ibmslapd.exe in IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-IF0010, 6.0 before 6.0.0.67 (aka 6.0.0.8-TIV-ITDS-IF0009), 6.1 before 6.1.0.40 (aka 6.1.0.5-TIV-ITDS-IF0003), 6.2 before 6.2.0.16 (aka 6.2.0.3-TIV-ITDS-IF0002), and 6.3 before 6.3.0.3 (aka 6.3.0.0-TIV-ITDS-IF0003) allows remote attackers to execute arbitrary code via a crafted LDAP request. NOTE: some of these details are obtained from third party information.

Affected products

• IBM Tivoli Directory Server: version 5.2.0 only; version 5.2.0.4 only; version 6.0 only; version 6.0.0.0 only; version 6.0.0.1 only; version 6.0.0.7 only; …

Published 2011-04-21. Last modified 2026-06-16.