CVE-2016-1775: Apple iPhone OS

High severity, CVSS 7.8. EPSS: 4% chance of exploitation in the next 30 days.

TrueTypeScaler in Apple iOS before 9.3, OS X before 10.11.4, tvOS before 9.2, and watchOS before 2.2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted font file.

Affected products

• Apple iPhone OS: before 9.3 (fixed in 9.3)
• Apple Mac OS X: before 10.11.4 (fixed in 10.11.4)
• Apple tvOS: before 9.2 (fixed in 9.2)
• Apple watchOS: before 2.2 (fixed in 2.2)

Published 2016-03-24. Last modified 2026-06-17.