An ImageMagick security update has been released for Ubuntu 16.04 ESM.

USN-5534-1: ImageMagick vulnerabilities

==========================================================================
Ubuntu Security Notice USN-5534-1
July 26, 2022

imagemagick vulnerabilities
==========================================================================

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

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in ImageMagick.

Software Description:
- imagemagick: Image manipulation programs and library

Details:

It was discovered that ImageMagick incorrectly handled certain values.
If a user were tricked into processing a specially crafted image file,
an attacker could possibly exploit this issue to cause a denial of service or other unspecified impact. (CVE-2022-32545, CVE-2022-32546)

It was discovered that ImageMagick incorrectly handled memory under
certain circumstances. If a user were tricked into processing a specially crafted image file, an attacker could possibly exploit this issue to cause a denial of service or other unspecified impact. (CVE-2022-32547)

Update instructions:

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

Ubuntu 16.04 ESM:
imagemagick 8:6.8.9.9-7ubuntu5.16+esm4
imagemagick-6.q16 8:6.8.9.9-7ubuntu5.16+esm4
libimage-magick-q16-perl 8:6.8.9.9-7ubuntu5.16+esm4
libmagick++-6.q16-5v5 8:6.8.9.9-7ubuntu5.16+esm4
libmagickcore-6-headers 8:6.8.9.9-7ubuntu5.16+esm4
libmagickcore-6.q16-2 8:6.8.9.9-7ubuntu5.16+esm4
libmagickcore-6.q16-2-extra 8:6.8.9.9-7ubuntu5.16+esm4
libmagickwand-6.q16-2 8:6.8.9.9-7ubuntu5.16+esm4

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

References:
https://ubuntu.com/security/notices/USN-5534-1
CVE-2022-32545, CVE-2022-32546, CVE-2022-32547