CVE-2015-1103: Apple iPhone OS

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

The kernel in Apple iOS before 8.3, Apple OS X before 10.10.3, and Apple TV before 7.2 makes routing changes in response to ICMP_REDIRECT messages, which allows remote attackers to cause a denial of service (network outage) or obtain sensitive packet-content information via a crafted ICMP packet.

Affected products

• Apple iPhone OS: up to and including 8.2
• Apple Mac OS X: up to and including 10.10.2
• Apple tvOS: up to and including 7.1

Published 2015-04-10. Last modified 2026-06-17.