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Ubuntu Security Notice USN-5025-1

Ubuntu Security Notice USN-5025-1
Posted Jul 29, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5025-1 - 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.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2021-3246
SHA-256 | 515f197037d9c5f17c04f6f6b1d9c4b1bdf5345da7af723254917f8af7f67453

Ubuntu Security Notice USN-5025-1

Change Mirror Download
==========================================================================
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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