USN-1872-1: PHP vulnerability

11 June 2013

php5 vulnerability

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

  • Ubuntu 13.04


PHP could be made to crash or run programs if it received specially crafted input.

Software Description

  • php5 - HTML-embedded scripting language interpreter


It was discovered that PHP incorrectly handled the quoted_printable_encode function. An attacker could use this flaw to cause PHP to crash, resulting in a denial of service, or to possibly execute arbitrary code.

Update instructions

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

Ubuntu 13.04
php5 - 5.4.9-4ubuntu2.1

To update your system, please follow these instructions:

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