What’s Vulnerable › Vulnerabilities

CVE-2008-3529

• Severity: critical (CVSS 10.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 23.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2008-09-12 · updated 2026-06-16
• Weakness: CWE-119

Description

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
• macOS: before 10.5.7; 10.5.7 — fixed in 10.5.7
• Apple Safari: before 4.0; from 3.2.0 before 3.2.3 — fixed in 3.2.3, 4.0
• Canonical Ubuntu Linux: 6.06, 7.04, 7.10, 8.04, 8.10, 9.04
• Debian Linux: 4.0
• xmlsoft libxml2: before 2.7.0 — fixed in 2.7.0

How to fix

Upgrade to a fixed version: Apple Iphone Os 3.0; macOS 10.5.7; Apple Safari 3.2.3, 4.0; xmlsoft libxml2 2.7.0. Check the vendor advisory for mitigations.

References

• http://lists.apple.com/archives/security-announce/2009/Jun/msg00005.html
• http://lists.apple.com/archives/security-announce/2009/May/msg00000.html
• http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00004.html
• http://secunia.com/advisories/31558
• http://secunia.com/advisories/31855
• http://secunia.com/advisories/31860
• http://secunia.com/advisories/31868
• http://secunia.com/advisories/31982
• http://secunia.com/advisories/32265
• http://secunia.com/advisories/32280
• http://secunia.com/advisories/32807

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