CVE-2006-4172: Freebsd

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Freebsd Freebsd: up to and including 5.5; version 5.2 only; version 5.2.1 only; version 5.3 only; version 5.4 only

Published 2006-09-26. Last modified 2026-06-16.