CVE-2001-1478: Caldera Openunix

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

Buffer overflow in xlock in UnixWare 7.1.0 and 7.1.1 and Open Unix 8.0.0 allows local users to execute arbitrary code.

Affected products

• Caldera Openunix: version 8.0 only
• Caldera Unixware: version 7.1.0 only; version 7.1.1 only

Published 2001-12-31. Last modified 2026-06-16.