==========================================================================
Ubuntu Security Notice USN-7273-1
February 18, 2025

libsndfile vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in libsndfile.

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

Details:

It was discovered that libsndfile incorrectly handled memory when executing
its FLAC codec. If a user or automated system were tricked into processing
a specially crafted sound file, an attacker could possibly use this issue
to cause a denial of service or obtain sensitive information.
(CVE-2021-4156)

It was discovered that libsndfile incorrectly handled certain malformed
OggVorbis files. An attacker could possibly use this issue to cause
libsndfile to crash, resulting in a denial of service. (CVE-2024-50612)

Update instructions:

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

Ubuntu 22.04 LTS
  libsndfile1                     1.0.31-2ubuntu0.2
  sndfile-programs                1.0.31-2ubuntu0.2

Ubuntu 20.04 LTS
  libsndfile1                     1.0.28-7ubuntu0.3
  sndfile-programs                1.0.28-7ubuntu0.3

Ubuntu 18.04 LTS
  libsndfile1                     1.0.28-4ubuntu0.18.04.2+esm2
                                  Available with Ubuntu Pro
  sndfile-programs                1.0.28-4ubuntu0.18.04.2+esm2
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  libsndfile1                     1.0.25-7ubuntu2.2+esm4
                                  Available with Ubuntu Pro
  sndfile-programs                1.0.25-7ubuntu2.2+esm4
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7273-1
  CVE-2021-4156, CVE-2024-50612

Package Information:
https://launchpad.net/ubuntu/+source/libsndfile/1.0.31-2ubuntu0.2
https://launchpad.net/ubuntu/+source/libsndfile/1.0.28-7ubuntu0.3