CVE-2006-4516: Freebsd

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Integer signedness error in FreeBSD 6.0-RELEASE allows local users to cause a denial of service (memory corruption and kernel panic) via a PT_LWPINFO ptrace command with a large negative data value that satisfies a signed maximum value check but is used in an unsigned copyout function call.

Affected products

Published 2006-10-12. Last modified 2026-06-16.