USN-5867-1: WebKitGTK vulnerabilities
Several 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.
Source: USN-5867-1: WebKitGTK vulnerabilities