Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were tricked into connecting to a malicious server, an attacker could possibly exploit these to cause a denial of service via application crash, potentially execute arbitrary code, or lead to information disclosure. (CVE-2013-1741, CVE-2013-2566, CVE-2013-5605, CVE-2013-5607)
21 November 2013
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were tricked into connecting to a malicious server, an attacker could possibly exploit these to cause a denial of service via application crash, potentially execute arbitrary code, or lead to information disclosure. (CVE-2013-1741, CVE-2013-2566, CVE-2013-5605, CVE-2013-5607)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to restart Thunderbird to make all the necessary changes.
Vulmon