A Byobu security update has been released for Ubuntu Linux 16.04 ESM.

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Ubuntu Security Notice USN-5234-1
January 18, 2022

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

- Ubuntu 16.04 ESM

Summary:

Byobu could be made to expose sensitive information.

Software Description:
- byobu: text window manager, shell multiplexer, integrated DevOps environ

Details:

Sander Bos discovered that Byobu incorrectly handled certain Apport data.
An attacker could possibly use this issue to expose sensitive information.

Update instructions:

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

Ubuntu 16.04 ESM:
byobu 5.106-0ubuntu1+esm1

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

References:
  https://ubuntu.com/security/notices/USN-5234-1
CVE-2019-7306