[USN-5025-1] libsndfile vulnerability

[Alex Murray]

==========================================================================
Ubuntu Security Notice USN-5025-1
July 29, 2021

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

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

- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

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

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

Details:

It was discovered that libsndfile incorrectly handled certain malformed
files. A remote attacker could use this issue to cause libsndfile to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 21.04:
  libsndfile1                     1.0.31-1ubuntu1.1
  sndfile-programs                1.0.31-1ubuntu1.1

Ubuntu 20.04 LTS:
  libsndfile1                     1.0.28-7ubuntu0.1
  sndfile-programs                1.0.28-7ubuntu0.1

Ubuntu 18.04 LTS:
  libsndfile1                     1.0.28-4ubuntu0.18.04.2
  sndfile-programs                1.0.28-4ubuntu0.18.04.2

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

References:
  https://ubuntu.com/security/notices/USN-5025-1
  CVE-2021-3246

Package Information:
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.31-1ubuntu1.1
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.28-7ubuntu0.1
  https://launchpad.net/ubuntu/+source/libsndfile/1.0.28-4ubuntu0.18.04.2
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