A fix for Flash Player addresses four security problems. Windows, Mac and Linux users are all vulnerable.
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Adobe Flash Player update fixes critical vulnerabilities
Homeland Security warns to disable Java amid zero-day flaw Summary: The U. Department of Homeland Security is the latest body to warn users to disable Java software amid escalating concerns over a serious, exploitable vulnerability.
Adobe Shockwave player is the "little brother" to the flash player. It can cause your browser to appear as though it hasn't got a clue, but once it is updated, all of your games and web apps work perfectly.