How severe is CVE-2006-6657?

CVE-2006-6657 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2006-6657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6657?

CVE-2006-6657 primarily affects Netbsd. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-6657?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-6657 published?

CVE-2006-6657 was published on 2006-12-20 and last updated on 2026-06-16.

CVE-2006-6657

CVE-2006-6657 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2006-12-20
Last modified: 2026-06-16

Description

The if_clone_list function in NetBSD-current before 20061027, NetBSD 3.0 and 3.0.1 before 20061027, and NetBSD 2.x before 20061119 allows local users to read potentially sensitive, uninitialized stack memory via unspecified vectors.

Frequently asked questions

What is CVE-2006-6657?: The if_clone_list function in NetBSD-current before 20061027, NetBSD 3.0 and 3.0.1 before 20061027, and NetBSD 2.x before 20061119 allows local users to read potentially sensitive, uninitialized stack memory via unspecified vectors.
How severe is CVE-2006-6657?: CVE-2006-6657 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2006-6657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6657?: CVE-2006-6657 primarily affects Netbsd. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-6657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6657 published?: CVE-2006-6657 was published on 2006-12-20 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*

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