CVE-2015-5842: Apple iPhone OS

Low severity, CVSS 2.1. EPSS: 0.3% chance of exploitation in the next 30 days.

XNU in the kernel in Apple iOS before 9 does not properly initialize an unspecified data structure, which allows local users to obtain sensitive memory-layout information via unknown vectors.

Affected products

• Apple iPhone OS: up to and including 8.4.1
• Apple Mac OS X: up to and including 10.10.5
• Apple watchOS: version 1.0 only

Published 2015-09-18. Last modified 2026-06-17.