WebkitGTK+: Multiple vulnerabilities

Background

WebKitGTK+ is a full-featured port of the WebKit rendering engine, suitable for projects requiring any kind of web integration, from hybrid HTML/CSS applications to full-fledged web browsers.

Description

Multiple vulnerabilities have been discovered in WebKitGTK+. Please review the referenced CVE identifiers for details.

Impact

A remote attacker could execute arbitrary code, cause a Denial of Service condition, bypass intended memory-read restrictions, conduct a timing side-channel attack to bypass the Same Origin Policy or obtain sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All WebkitGTK+ users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-libs/webkit-gtk-2.26.4"