CVE-2007-6121: Ethereal Group Ethereal

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

Wireshark (formerly Ethereal) 0.8.16 to 0.99.6 allows remote attackers to cause a denial of service (crash) via a malformed RPC Portmap packet.

Affected products

• Ethereal Group Ethereal: version 0.8.16 only; version 0.8.17 only; version 0.8.17a only; version 0.8.18 only; version 0.8.19 only; version 0.8.20 only; …
• Wireshark Wireshark: version 0.8.16 only; version 0.9.8 only; version 0.9.10 only; version 0.99 only; version 0.99.0 only; version 0.99.1 only; …

Published 2007-11-23. Last modified 2026-06-16.