CVE-2008-4222: Apple Mac OS X

High severity, CVSS 7.1. EPSS: 4.1% chance of exploitation in the next 30 days.

natd in network_cmds in Apple Mac OS X before 10.5.6, when Internet Sharing is enabled, allows remote attackers to cause a denial of service (infinite loop) via a crafted TCP packet.

Affected products

• Apple Mac OS X: up to and including 10.5.5; version 10.4.11 only; version 10.5 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; …
• Apple Mac OS X Server: up to and including 10.5.5; version 10.4.11 only; version 10.5 only; version 10.5.1 only; version 10.5.2 only; version 10.5.3 only; …

Published 2008-12-17. Last modified 2026-06-16.