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 context-dependent attacker could execute arbitrary code, obtain sensitive information from process memory, bypass intended access restrictions, or cause a Denial of Service in various ways.

A remote attacker could cause a Denial of Service in various ways, bypass spam detections, or bypass open_basedir restrictions.

Workaround

There is no known workaround at this time.

Resolution

All PHP users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=dev-lang/php-5.3.8"