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CVE-2008-3529

10.0 · HIGH

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 c…

Published Sep 12, 2008xmlsoftCWE-119EPSS 23.37%

Overview

CVE-2008-3529 is a high-severity vulnerability affecting xmlsoft libxml2. It was published on September 12, 2008 and has a CVSS 2.0 base score of 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from xmlsoft. Update libxml2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
xmlsoftlibxml2>= 0, < 2.7.0Affected
applesafari>= 0, < 4.0Affected
appleiphone_os>= 0, < 3.0Affected
applemac_os_x>= 0, < 10.5.7Affected

References

Reflists.apple.com/archives/security-announce/2009/Jun/msg00005.htmlReflists.apple.com/archives/security-announce/2009/May/msg00000.htmlReflists.apple.com/archives/security-announce/2009/jun/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2008-09/msg00004.htmlRefsecunia.com/advisories/31558Refsecunia.com/advisories/31855Refsecunia.com/advisories/31860Refsecunia.com/advisories/31868Refsecunia.com/advisories/31982Refsecunia.com/advisories/32265

How CyberStrike helps

Frequently asked questions

What is CVE-2008-3529?

CVE-2008-3529 is a high-severity vulnerability affecting xmlsoft libxml2. It was published on September 12, 2008 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2008-3529?

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-3529?

Check the references section for vendor advisories and patches from xmlsoft. Update libxml2 to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2008-3529?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-3529 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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