CVE-2015-5922: Apple Mac OS X

High severity, CVSS 10.0. EPSS: 3% chance of exploitation in the next 30 days.

Unspecified vulnerability in International Components for Unicode (ICU) before 53.1.0, as used in Apple OS X before 10.11 and watchOS before 2, has unknown impact and attack vectors.

Affected products

• Apple Mac OS X: before 10.11 (fixed in 10.11)
• Apple watchOS: up to and including 1.01
• Icu-Project International Components For Unicode: before 53.1 (fixed in 53.1)

Published 2015-10-09. Last modified 2026-06-17.