1. Ubuntu Security Notices
  2. USN-4586-2

USN-4586-2: PHP ImageMagick vulnerability

Publication date

24 January 2022

Overview

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

Releases

Packages

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

Details

USN-4586-1 fixed vulnerabilities in PHP ImageMagick. This update
provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory 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.

USN-4586-1 fixed vulnerabilities in PHP ImageMagick. This update
provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory 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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial php-imagick –  3.4.0~rc6-1ubuntu3+esm1  

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References

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