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Updated PHP packages are available for Ubuntu 16.04 LTS and 18.04 LTS to address a regression introduced by the previous update:

[USN-6305-3] PHP regression




[USN-6305-3] PHP regression


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Ubuntu Security Notice USN-6305-3
July 03, 2024

php7.0 and php7.2 regression
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

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

Software Description:
- php7.2: HTML-embedded scripting language interpreter
- php7.0: 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)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
php7.2 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro
php7.2-cgi 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro
php7.2-cli 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro
php7.2-fpm 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro
php7.2-xml 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro
php7.2-xmlrpc 7.2.24-0ubuntu0.18.04.17+esm4
Available with Ubuntu Pro

Ubuntu 16.04 LTS
php7.0 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro
php7.0-cgi 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro
php7.0-cli 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro
php7.0-fpm 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro
php7.0-xml 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro
php7.0-xmlrpc 7.0.33-0ubuntu0.16.04.16+esm10
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-6305-3
https://ubuntu.com/security/notices/USN-6305-1
https://launchpad.net/bugs/2071768