CVE-2009-0609: n/a vulnerability

CVE-2009-0609: Sun Java System Directory Proxy Server in Sun Java System Directory Server Enterprise Edition 6.0 through 6...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 16:18 UTC (UTC+00:00)

Security readout for executives and security teams

This is an availability issue in legacy Sun Java System Directory Proxy Server. If the server uses a JDBC data source, specially crafted LDAP requests with long values can knock the JDBC backend offline, disrupting directory-backed applications or authentication flows. Most likely exposure is legacy Directory Server Enterprise Edition 6.0-6.3 deployments using Directory Proxy Server with a JDBC data source. Risk depends on LDAP reachability from untrusted networks. The supplied sources do not implicate unrelated Java, LDAP, or database products. Treat as a legacy-service availability risk. It is not described as code execution or data theft, but affected directory infrastructure can sit in authentication paths, making outages business-visible if exposed or mission-critical. Mitigation focus: Check Oracle/Sun vendor guidance for fixed versions or supported replacement paths.; Identify and restrict untrusted network access to affected LDAP proxy services.; Review whether any Directory Proxy Server instances use JDBC data sources..

Prepared: Jun 28, 2026, 11:23 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 17, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

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Weakness

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