CVE-2011-1417: Apple iPhone OS

Medium severity, CVSS 6.8. EPSS: 5.5% chance of exploitation in the next 30 days.

Integer overflow in QuickLook, as used in Apple Mac OS X before 10.6.7 and MobileSafari in Apple iOS before 4.2.7 and 4.3.x before 4.3.2, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via a Microsoft Office document with a crafted size field in the OfficeArtMetafileHeader, related to OfficeArtBlip, as demonstrated on the iPhone by Charlie Miller and Dion Blazakis during a Pwn2Own competition at CanSecWest 2011.

Affected products

• Apple iPhone OS: up to and including 4.2.5; 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; …
• Apple Mac OS X: up to and including 10.6.6; version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only; …
• Apple Mac OS X Server: up to and including 10.6.6; version 10.6.0 only; version 10.6.1 only; version 10.6.2 only; version 10.6.3 only; version 10.6.4 only; …

Published 2011-03-11. Last modified 2026-06-16.