1. Ubuntu Security Notices
  2. USN-5303-1

USN-5303-1: PHP vulnerability

Publication date

28 February 2022

Overview

PHP could be made to crash or run programs if it received specially crafted input.

Releases

Packages

  • php7.4 - HTML-embedded scripting language interpreter
  • php8.0 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain scripts.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code.

It was discovered that PHP incorrectly handled certain scripts.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code.

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
21.10 impish php8.0-fpm –  8.0.8-1ubuntu0.2
php8.0-cli –  8.0.8-1ubuntu0.2
php8.0-cgi –  8.0.8-1ubuntu0.2
20.04 focal php7.4-cgi –  7.4.3-4ubuntu2.9
php7.4-fpm –  7.4.3-4ubuntu2.9
php7.4-cli –  7.4.3-4ubuntu2.9

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References

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