Several flaws were discovered in the browser engine of Thunderbird. If a user were tricked into viewing malicious content, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-1211, CVE-2010-1212)
An integer overflow was discovered in how Thunderbird processed CSS values. An attacker could exploit this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2752)
26 July 2010
A security issue affects these releases of Ubuntu and its derivatives:
Several flaws were discovered in the browser engine of Thunderbird. If a user were tricked into viewing malicious content, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-1211, CVE-2010-1212)
An integer overflow was discovered in how Thunderbird processed CSS values. An attacker could exploit this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2752)
An integer overflow was discovered in how Thunderbird interpreted the XUL element. If a user were tricked into viewing malicious content, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2753)
Aki Helin discovered that libpng did not properly handle certain malformed PNG images. If a user were tricked into opening a crafted PNG file, an attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2010-1205)
Yosuke Hasegawa discovered that the same-origin check in Thunderbird could be bypassed by utilizing the importScripts Web Worker method. If a user were tricked into viewing malicious content, an attacker could exploit this to read data from other domains. (CVE-2010-1213)
Chris Evans discovered that Thunderbird did not properly process improper CSS selectors. If a user were tricked into viewing malicious content, an attacker could exploit this to read data from other domains. (CVE-2010-0654)
Soroush Dalili discovered that Thunderbird did not properly handle script error output. An attacker could use this to access URL parameters from other domains. (CVE-2010-2754)
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