CVE-2018-4169: Apple Mac OS X

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan, an out-of-bounds read was addressed with improved input validation.

Affected products

• Apple Mac OS X: from 10.13.0, before 10.13.3 (fixed in 10.13.3)

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