CVE-2011-3446: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 2.8% chance of exploitation in the next 30 days.

Apple Type Services (ATS) in Apple Mac OS X before 10.7.3 does not properly manage memory for data-font files, which allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted font that is accessed by Font Book.

Affected products

• Apple Mac OS X: up to and including 10.7.2; version 10.7.0 only; version 10.7.1 only
• Apple Mac OS X Server: up to and including 10.7.2; version 10.7.0 only; version 10.7.1 only

Published 2012-02-02. Last modified 2026-06-16.