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CVE-2006-6499

4.3 · MEDIUM

The js_dtoa function in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 overwrites memory instead of exiting when the floating point…

Published Dec 20, 2006mozillaCWE-835EPSS 3.94%

Overview

CVE-2006-6499 is a medium-severity vulnerability affecting mozilla firefox. It was published on December 20, 2006 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The js_dtoa function in Mozilla Firefox 2.x before 2.0.0.1, 1.5.x before 1.5.0.9, Thunderbird before 1.5.0.9, and SeaMonkey before 1.0.7 overwrites memory instead of exiting when the floating point precision is reduced, which allows remote attackers to cause a denial of service via any plugins that reduce the precision.

Remediation

Check the references section for vendor advisories and patches from mozilla. Update firefox 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
mozillafirefox>= 1.5, < 1.5.0.9Affected
mozillaseamonkey>= 0, < 1.0.7Affected
mozillathunderbird>= 0, < 1.5.0.9Affected

References

Refh20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00771742Refsecunia.com/advisories/23282Refsecunia.com/advisories/23420Refsecunia.com/advisories/23422Refsecunia.com/advisories/23545Refsecunia.com/advisories/23589Refsecunia.com/advisories/23591Refsecunia.com/advisories/23614Refsecunia.com/advisories/23672Refsecunia.com/advisories/23692

How CyberStrike helps

Frequently asked questions

What is CVE-2006-6499?

CVE-2006-6499 is a medium-severity vulnerability affecting mozilla firefox. It was published on December 20, 2006 and has a CVSS 2.0 base score of 4.3 (MEDIUM).

How severe is CVE-2006-6499?

This vulnerability has a CVSS 2.0 base score of 4.3, 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-2006-6499?

Check the references section for vendor advisories and patches from mozilla. Update firefox 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-2006-6499?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2006-6499 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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