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Debian Security Advisory DSA-2345-1                   security@debian.org
http://www.debian.org/security/                            Florian Weimer
November 11, 2011                      http://www.debian.org/security/faq
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Package        : icedove
Vulnerability  : several
Problem type   : local (remote)
Debian-specific: no
CVE ID         : CVE-2011-3647 CVE-2011-3648 CVE-2011-3650

Several vulnerabilities have been discovered in Icedove, a mail client
based on Thunderbird.

CVE-2011-3647
        The JSSubScriptLoader does not properly handle
        XPCNativeWrappers during calls to the loadSubScript method in
        an add-on, which makes it easier for remote attackers to gain
        privileges via a crafted web site that leverages certain
        unwrapping behavior.

CVE-2011-3648
	A cross-site scripting (XSS) vulnerability allows remote
	attackers to inject arbitrary web script or HTML via crafted
	text with Shift JIS encoding.

CVE-2011-3650 
        Iceweasel does not properly handle JavaScript files that
	contain many functions, which allows user-assisted remote
	attackers to cause a denial of service (memory corruption and
	application crash) or possibly have unspecified other impact
	via a crafted file that is accessed by debugging APIs, as
	demonstrated by Firebug.

For the stable distribution (squeeze), these problems have been fixed
in version 3.0.11-1+squeeze6.

For the testing distribution (wheezy) and the unstable distribution
(sid), these problems have been fixed in version 3.1.15-1.

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/

Mailing list: debian-security-announce@lists.debian.org