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CVE-2008-4226

10.0 · HIGH

Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows context-dependent attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a larg…

Published Nov 25, 2008xmlsoftCWE-399EPSS 4.05%

Overview

CVE-2008-4226 is a high-severity vulnerability affecting xmlsoft libxml. It was published on November 25, 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

Integer overflow in the xmlSAX2Characters function in libxml2 2.7.2 allows context-dependent attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a large XML document.

Remediation

Check the references section for vendor advisories and patches from xmlsoft. Update libxml 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

References

Refh20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02029444Reflists.apple.com/archives/security-announce/2009/Jun/msg00005.htmlReflists.apple.com/archives/security-announce/2009/jun/msg00002.htmlReflists.opensuse.org/opensuse-security-announce/2008-11/msg00002.htmlRefsecunia.com/advisories/32762Refsecunia.com/advisories/32764Refsecunia.com/advisories/32766Refsecunia.com/advisories/32773Refsecunia.com/advisories/32802Refsecunia.com/advisories/32807

How CyberStrike helps

Frequently asked questions

What is CVE-2008-4226?

CVE-2008-4226 is a high-severity vulnerability affecting xmlsoft libxml. It was published on November 25, 2008 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2008-4226?

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-2008-4226?

Check the references section for vendor advisories and patches from xmlsoft. Update libxml 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-2008-4226?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-4226 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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