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Ubuntu Security Notice USN-4682-1
January 06, 2021

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

- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

WavPack could be made to execute arbitrary code or crash if it received a specially
crafted WAV file.

Software Description:
- wavpack: audio codec (lossy and lossless) - encoder and decoder

Details:

It was discovered that WavPack incorrectly handled certain WAV files.
An attacker could possibly use this issue to execute arbitrary code or
cause a crash.

Update instructions:

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

Ubuntu 20.10:
  wavpack                         5.3.0-1ubuntu0.1

Ubuntu 20.04 LTS:
  wavpack                         5.2.0-1ubuntu0.1

Ubuntu 18.04 LTS:
  wavpack                         5.1.0-2ubuntu1.5

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

References:
  https://usn.ubuntu.com/4682-1
  CVE-2020-35738

Package Information:
  https://launchpad.net/ubuntu/+source/wavpack/5.3.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/wavpack/5.2.0-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/wavpack/5.1.0-2ubuntu1.5