php-imagick vulnerability

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

* Ubuntu 18.04 LTS

Summary

PHP ImageMagick could be made to crash if it received specially
crafted input.

Software Description

* php-imagick - PHP extension to create and modify images using
the ImageMagick API

Details

It was discovered that PHP ImageMagick extension didn't check the
address used by an array. An attacker could use this issue to
cause PHP ImageMagick to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 18.04 LTS
php-imagick - 3.4.3~rc2-2ubuntu4.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2019-11037

--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)