A fix for Flash Player addresses four security problems. Windows, Mac and Linux users are all vulnerable.
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.