==========================================================================
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