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==========================================================================
Ubuntu Security Notice USN-1495-1
July 02, 2012

libreoffice, libreoffice-l10n vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 11.10
- Ubuntu 11.04

Summary:

LibreOffice could be made to crash or potentially run programs as your
login if it opened a specially crafted file.

Software Description:
- libreoffice: Office productivity suite
- libreoffice-l10n: Office productivity suite help

Details:

Integer overflows were discovered in the graphics loading code of several
different image types. If a user were tricked into opening a specially
crafted file, an attacker could cause LibreOffice to crash or possibly
execute arbitrary code with the privileges of the user invoking the
program. (CVE-2012-1149)

Sven Jacobi discovered an integer overflow when processing Escher graphics
records. If a user were tricked into opening a specially crafted PowerPoint
file, an attacker could cause LibreOffice to crash or possibly execute
arbitrary code with the privileges of the user invoking the program.
(CVE-2012-2334)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 11.10:
  libreoffice-core                1:3.4.4-0ubuntu1.2
  libreoffice-l10n-common         1:3.4.4-0ubuntu1.2

Ubuntu 11.04:
  libreoffice-core                1:3.3.4-0ubuntu1.2
  libreoffice-l10n-common         1:3.3.3-1ubuntu1.2

After a standard system update you need to restart LibreOffice to make all
the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1495-1
  CVE-2012-1149, CVE-2012-2334

Package Information:
  https://launchpad.net/ubuntu/+source/libreoffice/1:3.4.4-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/libreoffice-l10n/1:3.4.4-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/libreoffice/1:3.3.4-0ubuntu1.2
  https://launchpad.net/ubuntu/+source/libreoffice-l10n/1:3.3.3-1ubuntu1.2



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