An iceweasel security update is available for Debian GNU/Linux

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Debian Security Advisory DSA-2186-1 security@debian.org
Debian -- Security Information Moritz Muehlenhoff
March 09, 2011 Debian -- Debian 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: Debian -- Security Information