CVE-2019-6200: Apple iPhone OS

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 12.1.3, macOS Mojave 10.14.3. An attacker in a privileged network position may be able to execute arbitrary code.

Affected products

• Apple iPhone OS: before 12.1.3 (fixed in 12.1.3)
• Apple Mac OS X: before 10.14.3 (fixed in 10.14.3)

Published 2019-03-05. Last modified 2026-06-17.