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CVE-2008-5822

5.0 · MEDIUM

Memory leak in Libxul, as used in Mozilla Firefox 3.0.5 and other products, allows remote attackers to cause a denial of service (memory consumption and browser hang) via a long CLASS attribute in…

Published Jan 2, 2009mozillaCWE-399EPSS 2.07%

Overview

CVE-2008-5822 is a medium-severity vulnerability affecting mozilla libxul. It was published on January 2, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Memory leak in Libxul, as used in Mozilla Firefox 3.0.5 and other products, allows remote attackers to cause a denial of service (memory consumption and browser hang) via a long CLASS attribute in an HR element in an HTML document.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update libxul 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

Refjbrownsec.blogspot.com/2008/12/new-year-research-are-upon-us.htmlRefwww.packetstormsecurity.org/0812-exploits/mzff_libxul_ml.txtRefexchange.xforce.ibmcloud.com/vulnerabilities/47758Refjbrownsec.blogspot.com/2008/12/new-year-research-are-upon-us.htmlRefwww.packetstormsecurity.org/0812-exploits/mzff_libxul_ml.txtRefexchange.xforce.ibmcloud.com/vulnerabilities/47758

How CyberStrike helps

Frequently asked questions

What is CVE-2008-5822?

CVE-2008-5822 is a medium-severity vulnerability affecting mozilla libxul. It was published on January 2, 2009 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2008-5822?

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2008-5822?

Check the references section for vendor advisories and patches from mozilla. Update libxul 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-2008-5822?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2008-5822 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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