How severe is CVE-2006-0098?

CVE-2006-0098 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2006-0098 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-0098?

CVE-2006-0098 primarily affects Openbsd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-0098?

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

When was CVE-2006-0098 published?

CVE-2006-0098 was published on 2006-01-06 and last updated on 2026-06-16.

CVE-2006-0098

CVE-2006-0098 is a medium-severity vulnerability in Openbsd with a CVSS 2.0 base score of 4.6. 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 4.6)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openbsd
Published: 2006-01-06
Last modified: 2026-06-16

Description

The dupfdopen function in sys/kern/kern_descrip.c in OpenBSD 3.7 and 3.8 allows local users to re-open arbitrary files by using setuid programs to access file descriptors using /dev/fd/.

Frequently asked questions

What is CVE-2006-0098?: The dupfdopen function in sys/kern/kern_descrip.c in OpenBSD 3.7 and 3.8 allows local users to re-open arbitrary files by using setuid programs to access file descriptors using /dev/fd/.
How severe is CVE-2006-0098?: CVE-2006-0098 has a CVSS 2.0 base score of 4.6, rated medium severity.
Is CVE-2006-0098 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-0098?: CVE-2006-0098 primarily affects Openbsd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-0098?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-0098 published?: CVE-2006-0098 was published on 2006-01-06 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:openbsd:openbsd:3.7:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:3.8:*:*:*:*:*:*:*

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