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Mozilla fails to properly release JavaScript references

Vulnerability Note VU#670060

Original Release Date: 2006-07-27 | Last Revised: 2007-02-09


Mozilla products fail to properly release memory. This vulnerability may allow a remote attacker to execute arbitrary code on a vulnerable system.


Mozilla products fail to properly release JavaScript references. 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 2006-44.


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.


This vulnerability has been addressed in Firefox and SeaMonkey 1.0.3 according to the Mozilla Foundation Security Update 2006-44.

Until it is possible to upgrade to a fixed version of Firefox or SeaMonkey, the following workaround will prevent exploitation:

Disable JavaScript

For instructions on how to disable JavaScript in Firefox, please refer to the Firefox section of the Securing Your Web Browser document.

Vendor Information


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 2006-44. Mozilla credits Thilo Girmann with reporting this vulnerability.

This document was written by Jeff Gennari based on information from Mozilla.

Other Information

CVE IDs: CVE-2006-3677
Severity Metric: 58.14
Date Public: 2006-07-25
Date First Published: 2006-07-27
Date Last Updated: 2007-02-09 14:05 UTC
Document Revision: 27

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