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Ubuntu 18.04 LTS: USN-4586-1 Critical: php-imagick Denial Of Service

ubuntu
Calendar Grey October 20, 2020
Dist Ubuntu Esm H88
Ubuntu users running PHP may experience crashes with ImageMagick when processing unvalidated input, posing a potential Denial of Service (DoS) risk. Updating is essential to protect systems.
PHP ImageMagick could be made to crash if it received specially crafted input.

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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu image processing php-imagick

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

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

References

https://ubuntu.com/security/notices/USN-4586-1

CVE-2019-11037

Severity
critical
Lowest
Low
Medium
High
Critical

=========================================================================Ubuntu Security Notice USN-4586-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu image processing php-imagick

Package Information

https://launchpad.net/ubuntu/+source/php-imagick/3.4.3~rc2-2ubuntu4.1

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