USN-4375-1: PHP vulnerability

php5, php7.0, php7.2, php7.3, php7.4 vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

PHP could be made to crash if it received a specially crafted
file.

It was discovered that PHP incorrectly handled certain files.
An attacker could possibly use this issue to cause a denial of service.

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

Ubuntu 20.04 LTS: libapache2-mod-php7.4 – 7.4.3-4ubuntu2.2; php7.4-cgi – 7.4.3-4ubuntu2.2; php7.4-cli – 7.4.3-4ubuntu2.2; php7.4-fpm – 7.4.3-4ubuntu2.2; php7.4-mbstring – 7.4.3-4ubuntu2.2
Ubuntu 19.10: libapache2-mod-php7.3 – 7.3.11-0ubuntu0.19.10.6; php7.3-cgi – 7.3.11-0ubuntu0.19.10.6; php7.3-cli – 7.3.11-0ubuntu0.19.10.6; php7.3-fpm – 7.3.11-0ubuntu0.19.10.6; php7.3-mbstring – 7.3.11-0ubuntu0.19.10.6
Ubuntu 18.04 LTS: libapache2-mod-php7.2 – 7.2.24-0ubuntu0.18.04.6; php7.2-cgi – 7.2.24-0ubuntu0.18.04.6; php7.2-cli – 7.2.24-0ubuntu0.18.04.6; php7.2-fpm – 7.2.24-0ubuntu0.18.04.6; php7.2-mbstring – 7.2.24-0ubuntu0.18.04.6
Ubuntu 16.04 LTS: libapache2-mod-php7.0 – 7.0.33-0ubuntu0.16.04.15; php7.0-cgi – 7.0.33-0ubuntu0.16.04.15; php7.0-cli – 7.0.33-0ubuntu0.16.04.15; php7.0-fpm – 7.0.33-0ubuntu0.16.04.15; php7.0-mbstring – 7.0.33-0ubuntu0.16.04.15
Ubuntu 14.04 ESM: libapache2-mod-php5 – 5.5.9+dfsg-1ubuntu4.29+esm12; php5-cgi – 5.5.9+dfsg-1ubuntu4.29+esm12; php5-cli – 5.5.9+dfsg-1ubuntu4.29+esm12; php5-fpm – 5.5.9+dfsg-1ubuntu4.29+esm12
Ubuntu 12.04 ESM: libapache2-mod-php5 – 5.3.10-1ubuntu3.47; php5-cgi – 5.3.10-1ubuntu3.47; php5-cli – 5.3.10-1ubuntu3.47; php5-fpm – 5.3.10-1ubuntu3.47

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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