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USN-4586-2: PHP ImageMagick vulnerability

24 January 2022

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

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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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

References

Related notices

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Further reading