CVE-2002-0130: Efax

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Buffer overflow in efax 0.9 and earlier, when installed setuid root, allows local users to execute arbitrary code via a long -x argument.

Affected products

• Efax Efax: version 0.8a only; version 0.9 only; version 0.9a only

Published 2002-03-25. Last modified 2026-06-16.