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Mozilla mail products vulnerable to heap buffer overflow via Content-Type headers

Vulnerability Note VU#887332

Original Release Date: 2006-12-20 | Last Revised: 2007-01-31


Mozilla mail products contain a heap buffer overflow vulnerability in the way they process Content-Type headers. This may allow a remote, unauthenticated attacker to execute arbitrary code on a vulnerable system.


Mozilla Thunderbird and SeaMonkey contain a buffer overflow vulnerability. Both applications fail to properly process long Content-Type headers in external message bodies.


A remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system



Mozilla has addressed these vulnerabilities in Thunderbird and SeaMonkey 1.0.7.

Vendor Information

Affected   Unknown   Unaffected


Updated:  December 20, 2006



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.


Please see Mozilla Foundation Security Advisory 2006-74.

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



This vulnerability was reported in Mozilla Foundation Security Advisory 2006-74. Mozilla credits Georgi Guninski.

This document was written by Katie Steiner.

Other Information

CVE IDs: CVE-2006-6505
Severity Metric: 26.72
Date Public: 2006-12-19
Date First Published: 2006-12-20
Date Last Updated: 2007-01-31 21:54 UTC
Document Revision: 25

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