CVE-2003-0429: Ethereal Group Ethereal

High severity, CVSS 7.5. EPSS: 4.8% chance of exploitation in the next 30 days.

The OSI dissector in Ethereal 0.9.12 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code via invalid IPv4 or IPv6 prefix lengths, possibly triggering a buffer overflow.

Affected products

• Ethereal Group Ethereal: up to and including 0.9.12

Published 2003-07-24. Last modified 2026-06-16.