CVE-2009-0609: Sun Java System Directory Server

High severity, CVSS 7.8. EPSS: 2.5% chance of exploitation in the next 30 days.

Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3, when a JDBC data source is used, does not properly handle (1) a long value in an ADD or (2) long string attributes, which allows remote attackers to cause a denial of service (JDBC backend outage) via crafted LDAP requests.

Affected products

• Sun Java System Directory Server: version 6.0 only; version 6.1 only; version 6.2 only; version 6.3 only

Published 2009-02-17. Last modified 2026-06-16.