1. Ubuntu Security Notices
  2. USN-6360-2

USN-6360-2: FLAC vulnerability

Publication date

22 September 2023

Overview

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

Releases

Packages

  • flac - Free Lossless Audio Codec

Details

USN-6360-1 fixed a vulnerability in FLAC. This update provides the
corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and
Ubuntu 18.04 LTS.

Original advisory details:

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.

USN-6360-1 fixed a vulnerability in FLAC. This update provides the
corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and
Ubuntu 18.04 LTS.

Original advisory details:

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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic flac –  1.3.2-1ubuntu0.1+esm1  
libflac8 –  1.3.2-1ubuntu0.1+esm1  
16.04 xenial flac –  1.3.1-4ubuntu0.1~esm2  
libflac8 –  1.3.1-4ubuntu0.1~esm2  
14.04 trusty flac –  1.3.0-2ubuntu0.14.04.1+esm2  
libflac8 –  1.3.0-2ubuntu0.14.04.1+esm2  

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References

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