USN-6305-3: PHP regression

3 July 2024

USN-6305-2 caused a regression in parsing XML.

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

Releases

Packages

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

Details

USN-6305-2 fixed a vulnerability in PHP. The update caused a regression
in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update fix it.

Original advisory details:

It was discovered that PHP incorrectly handled certain XML files.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2023-3823)

It was discovered that PHP incorrectly handled certain PHAR files.
An attacker could possibly use this issue to cause a crash,
expose sensitive information or execute arbitrary code.
(CVE-2023-3824)

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 18.04
Ubuntu 16.04

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