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

USN-5586-1: SDL vulnerability

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Ubuntu Security Notice USN-5586-1
August 29, 2022

libsdl1.2 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

SDL could be made to crash or behave unexpectedly.

Software Description:
- libsdl1.2: Simple DirectMedia Layer

Details:

It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled memory. An attacker could potentially use this issue to cause
a denial of service or other unexpected behavior.

Update instructions:

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

Ubuntu 16.04 ESM:
libsdl1.2debian 1.2.15+dfsg1-3ubuntu0.1+esm2

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

References:
https://ubuntu.com/security/notices/USN-5586-1
CVE-2022-34568