CVE-2019-8560: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to read restricted memory.

Affected products

• Apple iPhone OS: before 12.3 (fixed in 12.3)
• Apple Mac OS X: before 10.14.5 (fixed in 10.14.5)
• Apple tvOS: before 12.3 (fixed in 12.3)
• Apple watchOS: before 5.2.1 (fixed in 5.2.1)

Published 2019-12-18. Last modified 2026-06-17.