Security updates for Adobe Flash Player flaws that could lead to info theft, malware attacks
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Linux users should update to version 11.2.202.466
Windows and Macintosh users should update to version 18.0.0.160
Extended Support Release for Windows and Macintosh is 13.0.0.292.*
Users of Internet Explorer on Windows 8.x and Google Chrome on Windows, Linux and Mac will receive the Flash Player update for their respective browser automatically. Adobe also released updates for the AIR runtime on Windows, Mac and Android, as well AIR SDK and Compiler, because these programs bundle Flash Player.
History has shown that attackers are quick to target new Flash flaws after a fix becomes available for them. Earlier this year, attackers started exploiting a Flash Player vulnerability just one week after Adobe released a patch for it.
https://www.adobe.com/products/flashplayer/distribution3.html