CVE-2009-0946: Apple iPhone OS

High severity, CVSS 7.5. EPSS: 8.5% chance of exploitation in the next 30 days.

Multiple integer overflows in FreeType 2.3.9 and earlier allow remote attackers to execute arbitrary code via vectors related to large values in certain inputs in (1) smooth/ftsmooth.c, (2) sfnt/ttcmap.c, and (3) cff/cffload.c.

Affected products

• Apple iPhone OS: from 1.0.0, up to and including 2.2.1
• Apple Mac OS X: from 10.6.0, up to and including 10.6.4; version 10.4.11 only; version 10.5.8 only
• Apple Mac OS X Server: from 10.6.0, up to and including 10.6.4; version 10.4.11 only; version 10.5.8 only
• Apple Safari: version 4.0 only
• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 8.10 only; version 9.04 only
• Debian Debian Linux: version 4.0 only; version 5.0 only; version 6.0 only
• FreeType FreeType: up to and including 2.3.9
• Opensuse Opensuse: version 10.3 only; version 11.0 only; version 11.1 only
• Suse Linux Enterprise Server: version 10 only; version 11 only

Published 2009-04-17. Last modified 2026-06-16.