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Mozilla JavaScript engine vulnerable to memory corruption

Vulnerability Note VU#269484

Original Release Date: 2007-02-23 | Last Revised: 2007-03-08


The Mozilla JavaScript engine contains multiple memory corruption vulnerabilities. These vulnerabilities may allow an attacker to execute arbitrary code, or create a denial of service condition.


The Mozilla Foundation supports several Open Source projects, including the Mozilla, Seamonkey, and Firefox web browsers. The Thunderbird email client is also a Mozilla product.

Multiple memory corruption vulnerabilities exist in the way Mozilla products process JavaScript. For more information refer to Mozilla Foundation Security Advisory 2007-01.

Note that other Mozilla-based applications may also be affected.


A remote, unauthenticated attacker may be able to execute arbitrary code or create a denial of service condition.


See Mozilla Foundation Security Advisory 2007-01 for information about affected clients.

Disable Javascript

Disabling JavaScript may mitigate this vulnerability. See the Securing Your Web Browser document for more information.

Vendor Information

Affected   Unknown   Unaffected


Updated:  February 23, 2007



Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

Vendor Information

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


See for more details.

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

CVSS Metrics

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



Thanks to Mozilla for information used in this report. Mozilla thanks Brian Crowder, Igor Bukanov, Johnny Stenback, moz_bug_r_a4 and shutdown.

This document was written by Ryan Giobbi.

Other Information

CVE IDs: CVE-2007-0777
Severity Metric: 2.65
Date Public: 2007-02-23
Date First Published: 2007-02-23
Date Last Updated: 2007-03-08 14:54 UTC
Document Revision: 44

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