CVE-2001-0905: Procmail

Medium severity, CVSS 6.2. EPSS: 0.3% chance of exploitation in the next 30 days.

Race condition in signal handling of procmail 3.20 and earlier, when running setuid, allows local users to cause a denial of service or gain root privileges by sending a signal while a signal handling routine is already running.

Affected products

• Procmail Procmail: up to and including 3.20

Published 2001-10-18. Last modified 2026-06-16.