How severe is CVE-2006-4175?

CVE-2006-4175 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2006-4175 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4175?

CVE-2006-4175 primarily affects Sun Java System Directory Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4175?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2006-4175 published?

CVE-2006-4175 was published on 2007-03-26 and last updated on 2026-06-16.

CVE-2006-4175

CVE-2006-4175 is a high-severity vulnerability in Sun Java System Directory Server with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-824.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-824
Affected product: Sun Java System Directory Server
Published: 2007-03-26
Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2006-4175?: 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.
How severe is CVE-2006-4175?: CVE-2006-4175 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2006-4175 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4175?: CVE-2006-4175 primarily affects Sun Java System Directory Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4175?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4175 published?: CVE-2006-4175 was published on 2007-03-26 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:sun:java_system_directory_server:5.2:*:*:*:*:*:*:*
cpe:2.3:a:sun:one_directory_server:5.1:*:*:*:*:*:*:*
cpe:2.3:a:sun:one_directory_server:5.2:*:*:*:*:*:*:*

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