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

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Debian Security Advisory DSA-2464-1 security@debian.org
http://www.debian.org/security/ Moritz Muehlenhoff
May 02, 2012 http://www.debian.org/security/faq
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Package : icedove
Vulnerability : several
Problem type : remote
Debian-specific: no
CVE ID : CVE-2012-0467 CVE-2012-0470 CVE-2012-0471 CVE-2012-0477
CVE-2012-0479

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

CVE-2012-0467

Bob Clary, Christian Holler, Brian Hackett, Bobby Holley, Gary
Kwong, Hilary Hall, Honza Bambas, Jesse Ruderman, Julian Seward,
and Olli Pettay discovered memory corruption bugs, which may lead
to the execution of arbitrary code.

CVE-2012-0470

Atte Kettunen discovered that a memory corruption bug in
gfxImageSurface may lead to the execution of arbitrary code.

CVE-2012-0471

Anne van Kesteren discovered that incorrect multibyte octet
decoding may lead to cross-site scripting.

CVE-2012-0477

Masato Kinugawa discovered that incorrect encoding of
Korean and Chinese character sets may lead to cross-site scripting.

CVE-2012-0479

Jeroen van der Gun discovered a spoofing vulnerability in the
presentation of Atom and RSS feeds over HTTPS.

For the stable distribution (squeeze), this problem has been fixed in
version 3.0.11-1+squeeze9.

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/