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Ubuntu: Security update for Calligra

It was discovered that Calligra incorrectly handled certain malformed MS Word documents. If a user or automated system were tricked into opening a crafted MS Word file, an attacker could cause a denial of service or execute arbitrary code with privileges of the user invoking the program. Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1525-1
August 09, 2012

calligra vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS

Summary:

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

Software Description:
- calligra: integrated work applications suite

Details:

It was discovered that Calligra incorrectly handled certain malformed
MS Word documents. If a user or automated system were tricked into opening
a crafted MS Word file, an attacker could cause a denial of service or
execute arbitrary code with privileges of the user invoking the program.

Update instructions:

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

Ubuntu 12.04 LTS:
 calligra                        1:2.4.0-0ubuntu2.1

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

References:
 http://www.ubuntu.com/usn/usn-1525-1
 CVE-2012-3456

Package Information:
 https://launchpad.net/ubuntu/+source/calligra/1:2.4.0-0ubuntu2.1
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