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Debian Security Advisory DSA-2186-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
March 09, 2011                         http://www.debian.org/security/faq
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Package        : iceweasel
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2010-1585 CVE-2011-0051 CVE-2011-0053 CVE-2011-0054 CVE-2011-0055 CVE-2011-0055 CVE-2011-0056 CVE-2011-0057 CVE-2011-0059

Several vulnerabilities have been discovered in Iceweasel, a web browser 
based on Firefox. The included XULRunner library provides rendering
services for several other applications included in Debian.

CVE-2010-1585

   Roberto Suggi Liverani discovered that the sanitising performed by
   ParanoidFragmentSink was incomplete.

CVE-2011-0053

   Crashes in the layout engine may lead to the execution of arbitrary
   code.

CVE-2011-0051

   Zach Hoffmann discovered that incorrect parsing of recursive eval()
   calls could lead to attackers forcing acceptance of a confirmation
   dialogue.

CVE-2011-0054, CVE-2010-0056

   Christian Holler discovered buffer overflows in the Javascript engine,
   which could allow the execution of arbitrary code.

CVE-2011-0055

   "regenrecht" and Igor Bukanov discovered a use-after-free error in the
   JSON-Implementation, which could lead to the execution of arbitrary code.

CVE-2011-0057

   Daniel Kozlowski discovered that incorrect memory handling the web workers   implementation could lead to the execution of arbitrary code.

CVE-2011-0059

   Peleus Uhley discovered a cross-site request forgery risk in the plugin
   code.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.9.0.19-8 of the xulrunner source package.

For the stable distribution (squeeze), this problem has been fixed in
version 3.5.16-5.

For the unstable distribution (sid), this problem has been fixed in
version 3.5.17-1.

We recommend that you upgrade your iceweasel 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