CVE-2008-4211: Apple iPhone OS

High severity, CVSS 10.0. EPSS: 6.6% chance of exploitation in the next 30 days.

Integer signedness error in (1) QuickLook in Apple Mac OS X 10.5.5 and (2) Office Viewer in Apple iPhone OS 1.0 through 2.1 and iPhone OS for iPod touch 1.1 through 2.1 allows remote attackers to cause a denial of service (application termination) and execute arbitrary code via a crafted Microsoft Excel file that triggers an out-of-bounds memory access, related to "handling of columns."

Affected products

• Apple iPhone OS: 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; version 1.1.2 only; …
• Apple Mac OS X: version 10.5.5 only
• Apple Mac OS X Server: version 10.5.5 only

Published 2008-10-10. Last modified 2026-06-16.