CVE-2000-1011: Freebsd

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

Buffer overflow in catopen() function in FreeBSD 5.0 and earlier, and possibly other OSes, allows local users to gain root privileges via a long environmental variable.

Affected products

• Freebsd Freebsd: version 3.0 only; version 3.1 only; version 3.2 only; version 3.3 only; version 3.4 only; version 3.5 only; …

Published 2000-12-11. Last modified 2026-06-16.