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USN-6841-2: PHP vulnerability

9 September 2024

PHP could be made to accept invalid URLs.

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Releases

Packages

  • php7.0 - HTML-embedded scripting language interpreter
  • php7.2 - HTML-embedded scripting language interpreter

Details

USN-6841-1 fixed a vulnerability in PHP. This update provides the
corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory 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.

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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 18.04
Ubuntu 16.04

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

References

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Further reading