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==========================================================================
Ubuntu Security Notice USN-4375-1
May 27, 2020

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

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

- Ubuntu 20.04 LTS
- Ubuntu 19.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

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

Software Description:
- php7.4: server-side, HTML-embedded scripting language (metapackage)
- php7.3: server-side, HTML-embedded scripting language (metapackage)
- php7.2: HTML-embedded scripting language interpreter
- php7.0: HTML-embedded scripting language interpreter
- php5: HTML-embedded scripting language interpreter

Details:

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

Update instructions:

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

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

References:
  https://usn.ubuntu.com/4375-1
  CVE-2019-11048

Package Information:
  https://launchpad.net/ubuntu/+source/php7.4/7.4.3-4ubuntu2.2
  https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.6
  https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.6
  https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.15

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