How severe is CVE-2006-6654?

CVE-2006-6654 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-6654 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-6654?

CVE-2006-6654 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-2006-6654?

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

When was CVE-2006-6654 published?

CVE-2006-6654 was published on 2006-12-20 and last updated on 2026-06-16.

CVE-2006-6654

CVE-2006-6654 is a medium-severity vulnerability in Netbsd with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2006-12-20
Last modified: 2026-06-16

Description

The sendmsg function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029, when run on a 64-bit architecture, allows attackers to cause a denial of service (kernel panic) via an invalid msg_controllen parameter to the sendit function.

Frequently asked questions

What is CVE-2006-6654?: The sendmsg function in NetBSD-current before 20061023, NetBSD 3.0 and 3.0.1 before 20061024, and NetBSD 2.x before 20061029, when run on a 64-bit architecture, allows attackers to cause a denial of service (kernel panic) via an invalid msg_controllen parameter to the sendit function.
How severe is CVE-2006-6654?: CVE-2006-6654 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-6654 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-6654?: CVE-2006-6654 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-2006-6654?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-6654 published?: CVE-2006-6654 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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