CVE-2011-0227: Apple iPhone OS

High severity, CVSS 7.2. EPSS: 0.3% chance of exploitation in the next 30 days.

The queueing primitives in IOMobileFrameBuffer in Apple iOS before 4.2.9 and 4.3.x before 4.3.4 do not properly perform type conversion, which allows local users to gain privileges via a crafted application.

Affected products

• Apple iPhone OS: up to and including 4.2.8; version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.1.0 only; version 1.1.1 only; …

Published 2011-07-19. Last modified 2026-06-16.