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==========================================================================
Ubuntu Security Notice USN-1174-1
July 25, 2011

libsndfile vulnerability
==========================================================================

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

- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

An application using libsndfile could be made to crash or possibly run
programs as your login if it opened a specially crafted file.

Software Description:
- libsndfile: Library for reading/writing audio files

Details:

Hossein Lotfi discovered that libsndfile did not properly verify the header
length and number of channels for PARIS Audio Format (PAF) audio files. An
attacker could exploit this to cause a denial of service via application
crash, or possibly execute arbitrary code with the privileges of the user
invoking the program.

Update instructions:

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

Ubuntu 11.04:
  libsndfile1                     1.0.23-1ubuntu0.1

Ubuntu 10.10:
  libsndfile1                     1.0.21-2ubuntu0.10.10.1

Ubuntu 10.04 LTS:
  libsndfile1                     1.0.21-2ubuntu0.10.04.1

After a standard system update you need to restart your login session to
make all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1174-1
  CVE-2011-2696

Package Information:
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.23-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.21-2ubuntu0.10.10.1
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.21-2ubuntu0.10.04.1



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