CVE-2012-0642: Apple iPhone OS

High severity, CVSS 9.3. EPSS: 4.5% chance of exploitation in the next 30 days.

Integer underflow in Apple iOS before 5.1 allows remote attackers to execute arbitrary code or cause a denial of service (device crash) via a crafted catalog file in an HFS disk image.

Affected products

• Apple iPhone OS: before 5.1 (fixed in 5.1)

Published 2012-03-08. Last modified 2026-06-16.