CVE-2006-4172

CVE-2006-4172 is a high-severity vulnerability in Freebsd with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178.

Frequently asked questions

What is CVE-2006-4172?
Integer overflow vulnerability in the i386_set_ldt call in FreeBSD 5.5, and possibly earlier versions down to 5.2, allows local users to cause a denial of service (crash) and possibly execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2006-4178.
How severe is CVE-2006-4172?
CVE-2006-4172 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2006-4172 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4172?
CVE-2006-4172 primarily affects Freebsd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4172?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2006-4172 published?
CVE-2006-4172 was published on 2006-09-26 and last updated on 2026-06-16.

References

Affected products (5)

More vulnerabilities in Freebsd

All CVEs affecting Freebsd →