[USN-5534-1] ImageMagick vulnerabilities

[Ian Constantin]

==========================================================================
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
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