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Debian: Security update for Icedove

Several vulnerabilities have been discovered in Icedove, an unbranded version of the Thunderbird mail/news client. Soroush Dalili discovered that a cross-site scripting countermeasure related to Javascript URLs could be bypassed. Atte Kettunen discovered an out of bounds read in the SVG Filters, resulting in memory disclosure. Mariusz Mlynski discovered that privileges could be escalated through a Javascript URL as the home page.

Bob Clary discovered memory corruption bugs, 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-2437-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
March 21, 2012                         http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package        : icedove
Vulnerability  : several
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2012-0455 CVE-2012-0456 CVE-2012-0458 CVE-2012-0461

Several vulnerabilities have been discovered in Icedove, an unbranded
version of the Thunderbird mail/news client.

CVE-2012-0455

  Soroush Dalili discovered that a cross-site scripting countermeasure
  related to Javascript URLs could be bypassed.

CVE-2012-0456

  Atte Kettunen discovered an out of bounds read in the SVG Filters,
  resulting in memory disclosure.

CVE-2012-0458

  Mariusz Mlynski discovered that privileges could be escalated through
  a Javascript URL as the home page.

CVE-2012-0461

  Bob Clary discovered memory corruption bugs, which may lead to the
  execution of arbitrary code.

For the stable distribution (squeeze), this problem has been fixed in
version icedove 3.0.11-1+squeeze8.

For the unstable distribution (sid), this problem will be fixed soon.

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
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