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

USN-5453-1: FreeType vulnerability

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Ubuntu Security Notice USN-5453-1
May 30, 2022

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

- Ubuntu 16.04 ESM

Summary:

FreeType could be made to crash if it opened a specially crafted file.

Software Description:
- freetype: FreeType 2 is a font engine library

Details:

It was discovered that FreeType incorrectly handled certain font 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 16.04 ESM:
libfreetype6 2.6.1-0.1ubuntu2.5+esm1

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

References:
https://ubuntu.com/security/notices/USN-5453-1
CVE-2022-27406