CVE-2015-5942: Apple iPhone OS

Medium severity, CVSS 6.8. EPSS: 3.3% chance of exploitation in the next 30 days.

FontParser in Apple iOS before 9.1, OS X before 10.11.1, and watchOS before 2.0.1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file, a different vulnerability than CVE-2015-5927.

Affected products

• Apple iPhone OS: up to and including 9.0.2
• Apple Mac OS X: up to and including 10.11.0
• Apple watchOS: up to and including 2.0.0

Published 2015-10-23. Last modified 2026-06-17.