CVE-2008-3438: Apple Mac OS X

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

Apple Mac OS X does not properly verify the authenticity of updates, which allows man-in-the-middle attackers to execute arbitrary code via a Trojan horse update, as demonstrated by evilgrade and DNS cache poisoning.

Affected products

• Apple Mac OS X: from 10.0.0, up to and including 10.5.4

Published 2008-08-01. Last modified 2026-06-16.