Ubuntu Security Notice 4347-1 - A large number of security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
6e9597ffacccb413974284a827eaf058b7a6e65f7fc5b43482f127d363dd0aa5