Mozilla products contain a race condition

ID VU:265964
Type cert
Reporter CERT
Modified 2007-02-09T14:05:00



Mozilla products contain a race condition. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.


The Mozilla products JavaScript garbage collection process may delete a variable while that variable is still in use. This may corrupt memory in a way that can allow an attacker to execute arbitrary code.

For complete list of affected products refer to Mozilla Foundation Security Advisory 2006-48.


A remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. The attacker could also cause the vulnerable application to crash.


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This vulnerability is addressed in Firefox, Thunderbird, and SeaMonkey 1.0.3, according to the Mozilla Foundation Security Update 2006-48.

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This vulnerability can be mitigated by disabling JavaScript.

Vendor Information


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Mozilla, Inc. __ Affected

Updated: July 27, 2006



Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.


Refer to <>.

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This vulnerability was reported in Mozilla Foundation Security Advisory 2006-48. Mozilla credits H. D. Moore with reporting this vulnerability.

This document was written by Jeff Gennari.

Other Information

CVE IDs: | CVE-2006-3803
Severity Metric: | 16.03
Date Public: | 2006-07-25
Date First Published: | 2006-07-27
Date Last Updated: | 2007-02-09 14:05 UTC
Document Revision: | 14