PHP: Multiple vulnerabilities

Background

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Description

Multiple vulnerabilities have been discovered in PHP. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker can leverage these vulnerabilities to execute arbitrary code or cause Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All PHP 5.5 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-lang/php-5.5.21"

All PHP 5.4 users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-lang/php-5.4.37"

All PHP 5.3 users should upgrade to the latest version. This branch is currently past the end of life and it will no longer receive security fixes. All PHP 5.3 users are strongly recommended to upgrade to the current stable version of PHP 5.5 or previous stable version of PHP 5.4, which are supported till at least 2016 and 2015 respectively.