Debian: DSA-2569-1 Critical: Icedove Mail Client Remote Threats

Multiple vulnerabilities have been discovered in Icedove, Debian's
version of the Mozilla Thunderbird mail client. The Common
Vulnerabilities and Exposures project identifies the following
problems:

CVE-2012-3982
Multiple unspecified vulnerabilities in the browser engine
allow remote attackers to cause a denial of service (memory
corruption and application crash) or possibly execute
arbitrary code via unknown vectors.

CVE-2012-3986
Icedove does not properly restrict calls to DOMWindowUtils
methods, which allows remote attackers to bypass intended
access restrictions via crafted JavaScript code.

CVE-2012-3990
A Use-after-free vulnerability in the IME State Manager
implementation allows remote attackers to execute arbitrary
code via unspecified vectors, related to the
nsIContent::GetNameSpaceID function.

CVE-2012-3991
Icedove does not properly restrict JSAPI access to the
GetProperty function, which allows remote attackers to bypass
the Same Origin Policy and possibly have uns...