Ubuntu Update for mozilla-thunderbird vulnerabilities USN-400-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-400-1
Solution
Please Install the Updated Packages.
Insight
Georgi Guninski and David Bienvenu discovered that long Content-Type and RFC2047-encoded headers we vulnerable to heap overflows. By tricking the user into opening a specially crafted email, an attacker could execute arbitrary code with user privileges. (CVE-2006-6506) Various flaws have been reported that allow an attacker to execute arbitrary code with user privileges or bypass internal XSS protections by tricking the user into opening a malicious email containing JavaScript. Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it. (CVE-2006-6497, CVE-2006-6498, CVE-2006-6499, CVE-2006-6501, CVE-2006-6502, CVE-2006-6503)
Affected
mozilla-thunderbird vulnerabilities on Ubuntu 5.10 , Ubuntu 6.06 LTS , Ubuntu 6.10
References