Several security issues were fixed in Thunderbird.
Armin Razmdjou discovered that contents of locally readable files could be made available via manipulation of form autocomplete in some circumstances. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to obtain sensitive information. (CVE-2015-0822)
3 March 2015
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Thunderbird.
Armin Razmdjou discovered that contents of locally readable files could be made available via manipulation of form autocomplete in some circumstances. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to obtain sensitive information. (CVE-2015-0822)
Abhishek Arya discovered an out-of-bounds read and write when rendering SVG content in some circumstances. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to obtain sensitive information. (CVE-2015-0827)
Paul Bandha discovered a use-after-free in IndexedDB. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-0831)
Carsten Book, Christoph Diehl, Gary Kwong, Jan de Mooij, Liz Henry, Byron Campen, Tom Schuster, and Ryan VanderMeulen discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-0836)
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