CVE-2002-0423: Efingerd

High severity, CVSS 10.0. EPSS: 5.3% chance of exploitation in the next 30 days.

Buffer overflow in efingerd 1.5 and earlier, and possibly up to 1.61, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a finger request from an IP address with a long hostname that is obtained via a reverse DNS lookup.

Affected products

• Efingerd Efingerd: version 1.3 only; version 1.6.1 only

Published 2002-08-12. Last modified 2026-06-16.