CVE-2008-3529: Apple iPhone OS

High severity, CVSS 10.0. EPSS: 23.4% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the xmlParseAttValueComplex function in parser.c in libxml2 before 2.7.0 allows context-dependent attackers to cause a denial of service (crash) or execute arbitrary code via a long XML entity name.

Affected products

• Apple iPhone OS: before 3.0 (fixed in 3.0)
• Apple Mac OS X: before 10.5.7 (fixed in 10.5.7); version 10.5.7 only
• Apple Safari: before 4.0 (fixed in 4.0); from 3.2.0, before 3.2.3 (fixed in 3.2.3)
• Canonical Ubuntu Linux: version 6.06 only; version 7.04 only; version 7.10 only; version 8.04 only; version 8.10 only; version 9.04 only
• Debian Debian Linux: version 4.0 only
• Xmlsoft LIBXML2: before 2.7.0 (fixed in 2.7.0)

Published 2008-09-12. Last modified 2026-06-16.