USN-6841-1: PHP vulnerability

Publication date

19 June 2024

Overview

PHP could be made to accept invalid URLs.


Packages

  • php7.4 - HTML-embedded scripting language interpreter
  • php8.1 - HTML-embedded scripting language interpreter
  • php8.2 - server-side, HTML-embedded scripting language (metapackage)
  • php8.3 - server-side, HTML-embedded scripting language (metapackage)

Details

It was discovered that PHP could early return in the filter_var function
resulting in invalid user information being treated as valid user
information. An attacker could possibly use this issue to expose raw
user input information.

It was discovered that PHP could early return in the filter_var function
resulting in invalid user information being treated as valid user
information. An attacker could possibly use this issue to expose raw
user input information.

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:


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.


Have additional questions?

Talk to a member of the team ›