CVE-2018-4307: Apple iPhone OS

Medium severity, CVSS 4.3. EPSS: 1.1% chance of exploitation in the next 30 days.

A logic issue was addressed with improved state management. This issue affected versions prior to iOS 12, Safari 12.

Affected products

• Apple iPhone OS: before 12.0 (fixed in 12.0)
• Apple Safari: before 12 (fixed in 12)

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