Multiple vulnerabilities have been found in WebKitGTK+, the worst
of which may lead to arbitrary code execution.
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.
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:
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.