CVE-2002-0401: Debian Linux

High severity, CVSS 7.5. EPSS: 5.5% chance of exploitation in the next 30 days.

SMB dissector in Ethereal 0.9.3 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via malformed packets that cause Ethereal to dereference a NULL pointer.

Affected products

• Debian Debian Linux: version 2.2 only
• Ethereal Ethereal: up to and including 0.9.3

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