Vulnerability record · CVE-2009-0609 · published 17 February 2009

CVE-2009-0609: Sun java system directory server improper input validation vulnerability

Sun · Java System Directory Server

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.

7.8 CVSS 2.0 High EPSS 2.5% · top 15.6% CWE-20 · Improper input validation

7.8CVSS 2.0 base score

2.5%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References

16 Jun 2026Last modified by NVD

Description

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Java System Directory Server Sun

References

Link	Tags
http://secunia.com/advisories/33923	Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1	PatchVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1	PatchVendor Advisory
http://www.securityfocus.com/bid/33761
http://secunia.com/advisories/33923	Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-21-125276-08-1	PatchVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-66-251086-1	PatchVendor Advisory
http://www.securityfocus.com/bid/33761

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2009-0609), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.