How severe is CVE-2005-4779?

CVE-2005-4779 has a CVSS 2.0 base score of 3.6, rated low severity.

Is CVE-2005-4779 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4779?

CVE-2005-4779 primarily affects Netbsd. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-4779?

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

When was CVE-2005-4779 published?

CVE-2005-4779 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-4779

CVE-2005-4779 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 3.6. 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 3.6)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2005-12-31
Last modified: 2026-06-16

Description

verifiedexecioctl in verified_exec.c in NetBSD 2.0.2 calls NDINIT with UIO_USERSPACE rather than UID_SYSSPACE, which removes the functionality of the verified exec kernel subsystem and might allow local users to execute Trojan horse programs.

Frequently asked questions

What is CVE-2005-4779?: verifiedexecioctl in verified_exec.c in NetBSD 2.0.2 calls NDINIT with UIO_USERSPACE rather than UID_SYSSPACE, which removes the functionality of the verified exec kernel subsystem and might allow local users to execute Trojan horse programs.
How severe is CVE-2005-4779?: CVE-2005-4779 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-2005-4779 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4779?: CVE-2005-4779 primarily affects Netbsd. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-4779?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-4779 published?: CVE-2005-4779 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:*

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