Advisory Published

USN-6360-1: FLAC vulnerability

First published: Tue Sep 12 2023(Updated: )

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

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/flac<1.3.3-2ubuntu0.2
1.3.3-2ubuntu0.2
Ubuntu Linux=22.04
All of
ubuntu/libflac8<1.3.3-2ubuntu0.2
1.3.3-2ubuntu0.2
Ubuntu Linux=22.04
All of
ubuntu/flac<1.3.3-1ubuntu0.2
1.3.3-1ubuntu0.2
Ubuntu Linux=20.04
All of
ubuntu/libflac8<1.3.3-1ubuntu0.2
1.3.3-1ubuntu0.2
Ubuntu Linux=20.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this FLAC vulnerability?

    The vulnerability ID for this FLAC vulnerability is USN-6360-1.

  • What is the impact of this FLAC vulnerability?

    The FLAC vulnerability could allow a remote attacker to cause FLAC to crash, resulting in a denial of service or possibly execute arbitrary code.

  • Which software versions are affected by this vulnerability?

    The affected software versions are FLAC 1.3.3-2ubuntu0.2 and libflac8 1.3.3-2ubuntu0.2 for Ubuntu 22.04, FLAC 1.3.3-1ubuntu0.2 and libflac8 1.3.3-1ubuntu0.2 for Ubuntu 20.04.

  • How can I fix this FLAC vulnerability?

    To fix this FLAC vulnerability, update to version 1.3.3-2ubuntu0.2 of FLAC and libflac8 for Ubuntu 22.04, or update to version 1.3.3-1ubuntu0.2 of FLAC and libflac8 for Ubuntu 20.04.

  • Where can I find more information about this FLAC vulnerability?

    More information about this FLAC vulnerability can be found at the following references: [CVE-2020-22219](https://ubuntu.com/security/CVE-2020-22219), [USN-6360-2](https://ubuntu.com/security/notices/USN-6360-2), and [Launchpad](https://launchpad.net/ubuntu/+source/flac/1.3.3-2ubuntu0.2).

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