An icedove security update has been released for Debian GNU/Linux

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Debian Security Advisory DSA-2273-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
July 06, 2011 http://www.debian.org/security/faq
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Package : icedove
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE ID : CVE-2011-0083 CVE-2011-0085 CVE-2011-2362 CVE-2011-2363
CVE-2011-2365 CVE-2011-2371 CVE-2011-2373 CVE-2011-2374
CVE-2011-2376

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

CVE-2011-0083 / CVE-2011-2363

"regenrecht" discovered two use-after-frees in SVG processing,
which could lead to the execution of arbitrary code.

CVE-2011-0085

"regenrecht" discovered a use-after-free in XUL processing, which
could lead to the execution of arbitrary code.

CVE-2011-2362

David Chan discovered that cookies were insufficiently isolated.

CVE-2011-2371

Chris Rohlf and Yan Ivnitskiy discovered an integer overflow in the
Javascript engine, which could lead to the execution of arbitrary
code.

CVE-2011-2373

Martin Barbella discovered a use-after-free in XUL processing,
which could lead to the execution of arbitrary code.

CVE-2011-2374

Bob Clary, Kevin Brosnan, Nils, Gary Kwong, Jesse Ruderman and
Christian Biesinger discovered memory corruption bugs, which may
lead to the execution of arbitrary code.

CVE-2011-2376

Luke Wagner and Gary Kwong discovered memory corruption bugs, which
may lead to the execution of arbitrary code.

As indicated in the Lenny (oldstable) release notes, security support for
the Icedove packages in the oldstable needed to be stopped before the end
of the regular Lenny security maintenance life cycle.
You are strongly encouraged to upgrade to stable or switch to a different
mail client.

For the stable distribution (squeeze), this problem has been fixed in
version 3.0.11-1+squeeze3.

For the unstable distribution (sid), this problem has been fixed in
version 3.1.11-1.

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/