Debian DSA-2437-1 Moderate: Icedove Remote Exploitation Threat

Several vulnerabilities have been discovered in Icedove, an unbranded
version of the Thunderbird mail/news client.

CVE-2012-0455

Soroush Dalili discovered that a cross-site scripting countermeasure
related to Javascript URLs could be bypassed.

CVE-2012-0456

Atte Kettunen discovered an out of bounds read in the SVG Filters,
resulting in memory disclosure.

CVE-2012-0458

Mariusz Mlynski discovered that privileges could be escalated through
a Javascript URL as the home page.

CVE-2012-0461

Bob Clary discovered memory corruption bugs, which may lead to the
execution of arbitrary code.

For the stable distribution (squeeze), this problem has been fixed in
version icedove 3.0.11-1+squeeze8.

For the unstable distribution (sid), this problem will be fixed soon.

We recommend that you upgrade your icedove packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/