USN-3960-1: WavPack vulnerability

30 April 2019

wavpack vulnerability

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

  • Ubuntu 19.04
  • Ubuntu 18.10
  • Ubuntu 18.04 LTS


WavPack could be made to crash if it received a specially crafted file.

Software Description

  • wavpack - audio codec (lossy and lossless) - encoder and decoder


It was discovered that WavPack incorrectly handled certain DFF files. An attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 19.04
libwavpack1 - 5.1.0-5ubuntu0.1
wavpack - 5.1.0-5ubuntu0.1
Ubuntu 18.10
libwavpack1 - 5.1.0-4ubuntu0.2
wavpack - 5.1.0-4ubuntu0.2
Ubuntu 18.04 LTS
libwavpack1 - 5.1.0-2ubuntu1.3
wavpack - 5.1.0-2ubuntu1.3

To update your system, please follow these instructions:

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