CVE-2002-0403: Ethereal Group Ethereal

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

DNS dissector in Ethereal before 0.9.3 allows remote attackers to cause a denial of service (CPU consumption) via a malformed packet that causes Ethereal to enter an infinite loop.

Affected products

• Ethereal Group Ethereal: version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; version 0.9_.0 only

Published 2002-06-18. Last modified 2026-06-16.