CVE-2014-4455: Apple iPhone OS

Low severity, CVSS 2.1. EPSS: 0.4% chance of exploitation in the next 30 days.

dyld in Apple iOS before 8.1.1 and Apple TV before 7.0.2 does not properly handle overlapping segments in Mach-O executable files, which allows local users to bypass intended code-signing restrictions via a crafted file.

Affected products

• Apple iPhone OS: up to and including 8.1.2
• Apple tvOS: up to and including 7.0.1; version 6.0 only; version 6.0.1 only; version 6.0.2 only; version 6.1 only; version 6.1.1 only; …

Published 2014-11-18. Last modified 2026-06-17.