CVE-2009-4443: Sun Java System Directory Server

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

Unspecified vulnerability in the psearch (aka persistent search) functionality in Directory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 allows remote attackers to cause a denial of service (psearch outage) by using a crafted psearch client to send requests that trigger a psearch thread loop, aka Bug Id 6855978.

Affected products

• Sun Java System Directory Server: version 6.0 only; version 6.1 only; version 6.2 only; version 6.3 only; version 6.3.1 only

Published 2009-12-28. Last modified 2026-06-16.