CVE-2018-4216: Apple iPhone OS

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

A logic issue existed in the handling of call URLs. This issue was addressed with improved state management. This issue affected versions prior to iOS 11.4.1.

Affected products

• Apple iPhone OS: before 11.4.1 (fixed in 11.4.1)

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