CVE-2006-4400: Apple Mac OS X

Medium severity, CVSS 5.1. EPSS: 4.6% chance of exploitation in the next 30 days.

Stack-based buffer overflow in the Apple Type Services (ATS) server in Mac OS 10.4.8 and earlier allow user-assisted attackers to execute arbitrary code via crafted font files.

Affected products

• Apple Mac OS X: up to and including 10.4.8

Published 2006-11-30. Last modified 2026-06-16.