Vulnerability Note VU#670060

Mozilla fails to properly release JavaScript references

Original Release date: 27 Jul 2006 | Last revised: 09 Feb 2007


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.

Systems Affected (Learn More)

VendorStatusDate NotifiedDate Updated
Mozilla, Inc.Affected-27 Jul 2006
If you are a vendor and your product is affected, let us know.

CVSS Metrics (Learn More)

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A N/A



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
  • Date Public: 25 Jul 2006
  • Date First Published: 27 Jul 2006
  • Date Last Updated: 09 Feb 2007
  • Severity Metric: 58.14
  • Document Revision: 26


If you have feedback, comments, or additional information about this vulnerability, please send us email.