CVE-2018-4451: Apple Mac OS X

High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days.

This issue is fixed in macOS Mojave 10.14. A memory corruption issue was addressed with improved input validation.

Affected products

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

Published 2020-10-27. Last modified 2026-06-17.