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Debian: Security update for Iceweasel

Several vulnerabilities have been found in Iceweasel, a web browser based on Firefox. “regenrecht” discovered two use-after-frees in SVG processing, which could lead to the execution of arbitrary code. “regenrecht” discovered a use-after-free in XUL processing, which could lead to the execution of arbitrary code. David Chan discovered that cookies were insufficiently isolated. Chris Rohlf and Yan Ivnitskiy discovered an integer overflow in the Javascript engine, which could lead to the execution of arbitrary code. Martin Barbella discovered a use-after-free in XUL processing, which could lead to the execution of arbitrary code. Memory corruption bugs were discovered, which may lead to the execution of arbitrary code. Updated packages are available from security.debian.org.

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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2268-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
July 01, 2011                          http://www.debian.org/security/faq
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Package        : iceweasel
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 found in Iceweasel, a web browser
based on Firefox:

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.

For the oldstable distribution (lenny), this problem has been fixed in
version 1.9.0.19-12 of the xulrunner source package.

For the stable distribution (squeeze), this problem has been fixed in
version 3.5.16-9.

For the unstable distribution (sid), this problem has been fixed in
version 3.5.19-3

For the experimental distribution, this problem has been fixed in
version 5.0-1.

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
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