CVE-2018-4406: Apple Mac OS X

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

A denial of service issue was addressed with improved validation. This issue affected versions prior to macOS Mojave 10.14.

Affected products

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

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