CVE-2014-1256: Apple Mac OS X

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

Buffer overflow in Apple Type Services (ATS) in Apple OS X before 10.9.2 allows attackers to bypass the App Sandbox protection mechanism via crafted Mach messages.

Affected products

• Apple Mac OS X: up to and including 10.9.1; version 10.7.0 only; version 10.7.1 only; version 10.7.2 only; version 10.7.3 only; version 10.7.4 only; …
• Apple Mac OS X Server: version 10.7.0 only; version 10.7.1 only; version 10.7.2 only; version 10.7.3 only; version 10.7.4 only; version 10.7.5 only

Published 2014-02-27. Last modified 2026-06-17.