How severe is CVE-2006-6653?

CVE-2006-6653 has a CVSS 2.0 base score of 1.7, rated low severity.

Is CVE-2006-6653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6653?

CVE-2006-6653 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-2006-6653?

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

When was CVE-2006-6653 published?

CVE-2006-6653 was published on 2006-12-20 and last updated on 2026-06-16.

CVE-2006-6653

CVE-2006-6653 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 1.7. 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-20.

Key facts

Severity: Low (CVSS 2.0 base score 1.7)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Netbsd
Published: 2006-12-20
Last modified: 2026-06-16

Description

The accept function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (socket consumption) via an invalid (1) name or (2) namelen parameter, which may result in the socket never being closed (aka "a dangling socket").

Frequently asked questions

What is CVE-2006-6653?: The accept function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029 allows local users to cause a denial of service (socket consumption) via an invalid (1) name or (2) namelen parameter, which may result in the socket never being closed (aka "a dangling socket").
How severe is CVE-2006-6653?: CVE-2006-6653 has a CVSS 2.0 base score of 1.7, rated low severity.
Is CVE-2006-6653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6653?: CVE-2006-6653 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-2006-6653?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6653 published?: CVE-2006-6653 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:3.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:current:*:*:*:*:*:*:*

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