Ubuntu Security Notice 3079-1 - 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.
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WebKitGTK+ versions prior to 2.12.3 and 2.12.1 suffer from memory corruption, code execution, information disclosure, and denial of service vulnerabilities.
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Apple Security Advisory 2016-05-16-5 - Safari 9.1.1 is now available and addresses history deletion, data disclosure, code execution, and various other vulnerabilities.
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