CVE-2002-0834: Ethereal Group Ethereal

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

Buffer overflow in the ISIS dissector for Ethereal 0.9.5 and earlier allows remote attackers to cause a denial of service or execute arbitrary code via malformed packets.

Affected products

• Ethereal Group Ethereal: version 0.8 only; version 0.8.18 only; version 0.9.1 only; version 0.9.2 only; version 0.9.3 only; version 0.9.4 only; …

Published 2002-09-24. Last modified 2026-06-16.