Safari < 6.2.1 / 7.1.1 / 8.0.1 Multiple Vulnerabilities

According to its banner, the remote Safari browser is missing a security update to Webkit. Safari is bundled with Apple WebKit. Apple WebKit is affected by the following vulnerabilities :

• There is a ‘use-after-free’ vulnerability which can allow remote attackers to execute arbitrary code through crafted page objects within HTML. (CVE-2014-4459)
• There is a policy bypass flaw which can allow remote attackers to bypass the ‘Same Origin Policy’ via Cascading Style Sheets. (CVE-2014-4465)