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Debian: Security update for Iceweasel

Several vulnerabilities have been discovered in Iceweasel, a web browser based on Firefox. Security researchers discovered memory corruption bugs, which may lead to the execution of arbitrary code. Atte Kettunen discovered that a memory corruption bug in gfxImageSurface may lead to the execution of arbitrary code. Anne van Kesteren discovered that incorrect multibyte octet decoding may lead to cross-site scripting.

Masato Kinugawa discovered that incorrect encoding of Korean and Chinese character sets may lead to cross-site scripting. Jeroen van der Gun discovered a spoofing vulnerability in the presentation of Atom and RSS feeds over HTTPS.

Updated packages are available from security.debian.org.

-----BEGIN PGP SIGNED MESSAGE-----
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2457-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
April 24, 2012                         http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : iceweasel
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 Iceweasel, a web
browser based on Firefox. The included XULRunner library provides
rendering services for several other applications included in Debian.

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 3.5.16-14.

For the unstable distribution (sid), this problem has been fixed in
version 10.0.4esr-1.

For the experimental distribution, this problem will be fixed soon.


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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