CVE-2018-4330: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 3.1% chance of exploitation in the next 30 days.

In iOS before 11.4, a memory corruption issue exists and was addressed with improved memory handling.

Affected products

• Apple iPhone OS: before 11.4 (fixed in 11.4)

Published 2019-01-11. Last modified 2026-06-17.