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Vulnerability record · CVE-2006-4175 · published 26 March 2007

CVE-2006-4175: Sun java system directory server vulnerability

Sun · Java System Directory Server

The LDAP server (ns-slapd) in Sun Java System Directory Server 5.2 Patch4 and earlier and ONE Directory Server 5.1 and 5.2 allows remote attackers to cause a denial of service (crash) via malformed queries, probably malformed BER queries, which trigger a free of uninitialized memory locations.

7.8 CVSS 2.0 High EPSS 3.4% · top 11.5% CWE-824 · CWE-824
7.8CVSS 2.0 base score
3.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
16References
16 Jun 2026Last modified by NVD

Description

The LDAP server (ns-slapd) in Sun Java System Directory Server 5.2 Patch4 and earlier and ONE Directory Server 5.1 and 5.2 allows remote attackers to cause a denial of service (crash) via malformed queries, probably malformed BER queries, which trigger a free of uninitialized memory locations.

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

Affected products

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

References

LinkTags
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=491 Broken LinkVendor Advisory
http://secunia.com/advisories/24634 Broken LinkVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102853-1 Broken Link
http://www.osvdb.org/33524 Broken Link
http://www.securityfocus.com/bid/23117 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1017814 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/1090 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/33189 Third Party AdvisoryVDB Entry
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=491 Broken LinkVendor Advisory
http://secunia.com/advisories/24634 Broken LinkVendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102853-1 Broken Link
http://www.osvdb.org/33524 Broken Link
http://www.securityfocus.com/bid/23117 Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id?1017814 Broken LinkThird Party AdvisoryVDB Entry
http://www.vupen.com/english/advisories/2007/1090 Broken Link
https://exchange.xforce.ibmcloud.com/vulnerabilities/33189 Third Party AdvisoryVDB Entry

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Related vulnerabilities

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

7.8CVE-2009-0609Sun java system directory server improper input validation vulnerabilitySun 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 …EPSS 2.5%7.8CVE-2009-0576Sun java system directory server vulnerabilityUnspecified vulnerability in Sun Java System Directory Server 5.2 p6 and earlier, and Enterprise Edition 5, allows remote attackers to cause a denial…EPSS 2.9%7.8CVE-2007-2466Sun java system directory server vulnerabilityUnspecified vulnerability in the LDAP Software Development Kit (SDK) for C, as used in Sun Java System Directory Server 5.2 up to Patch 4 and Sun ONE…EPSS 3.0%7.8CVE-2006-3127Sun java enterprise system vulnerabilityMemory leak in Network Security Services (NSS) 3.11, as used in Sun Java Enterprise System 2003Q4 through 2005Q1 and Java System Directory Server 5.2…EPSS 3.2%7.5CVE-2008-1995Sun java system directory server permissions and access controls vulnerabilitySun Java System Directory Proxy Server 6.0, 6.1, and 6.2 classifies a connection using the "bind-dn" criteria, which can cause an incorrect applicati…EPSS 2.2%7.5CVE-2006-2513Sun java system directory server vulnerabilityUnspecified vulnerability in the installation process in Sun Java System Directory Server 5.2 causes wrong user data to be written to a file created …EPSS 2.5%7.5CVE-2005-3269Sun java system directory proxy server memory buffer overflow vulnerabilityStack-based buffer overflow in help.cgi in the HTTP administrative interface for (1) Sun Java System Directory Server 5.2 2003Q4, 2004Q2, and 2005Q1,…EPSS 3.1%6.8CVE-2009-4440Sun java system directory server race condition vulnerabilityDirectory Proxy Server (DPS) in Sun Java System Directory Server Enterprise Edition 6.0 through 6.3.1 does not properly handle multiple client connec…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2006-4175), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.