CVE-1999-0439: Caldera Openlinux

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

Buffer overflow in procmail before version 3.12 allows remote or local attackers to execute commands via expansions in the procmailrc configuration file.

Affected products

• Caldera Openlinux: any version
• Procmail Procmail: up to and including 3.12

Published 1999-04-05. Last modified 2026-06-16.