USN-2786-1: PHP vulnerabilities

28 October 2015

php5 vulnerabilities

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

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


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

Software Description

  • php5 - HTML-embedded scripting language interpreter


It was discovered that the PHP phar extension incorrectly handled certain files. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service. (CVE-2015-7803, CVE-2015-7804)

Update instructions

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

Ubuntu 15.10
libapache2-mod-php5 - 5.6.11+dfsg-1ubuntu3.1
php5-cgi - 5.6.11+dfsg-1ubuntu3.1
php5-cli - 5.6.11+dfsg-1ubuntu3.1
php5-fpm - 5.6.11+dfsg-1ubuntu3.1
Ubuntu 15.04
libapache2-mod-php5 - 5.6.4+dfsg-4ubuntu6.4
php5-cgi - 5.6.4+dfsg-4ubuntu6.4
php5-cli - 5.6.4+dfsg-4ubuntu6.4
php5-fpm - 5.6.4+dfsg-4ubuntu6.4
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.14
php5-cgi - 5.5.9+dfsg-1ubuntu4.14
php5-cli - 5.5.9+dfsg-1ubuntu4.14
php5-fpm - 5.5.9+dfsg-1ubuntu4.14
Ubuntu 12.04 LTS
libapache2-mod-php5 - 5.3.10-1ubuntu3.21
php5-cgi - 5.3.10-1ubuntu3.21
php5-cli - 5.3.10-1ubuntu3.21
php5-fpm - 5.3.10-1ubuntu3.21

To update your system, please follow these instructions:

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