CVE-2018-4355: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.8% chance of exploitation in the next 30 days.

A configuration issue was addressed with additional restrictions. This issue affected versions prior to iOS 12, macOS Mojave 10.14.

Affected products

• Apple iPhone OS: before 12.0 (fixed in 12.0)
• Apple Mac OS X: before 10.14 (fixed in 10.14)

Published 2019-04-03. Last modified 2026-06-17.