Adobe released their second out-of-band update for Adobe Flash this month.
Microsoft researchers have also recently discovered several attacks in the wild exploiting another Flash Player vulnerability (CVE-2013-5330) on Windows, Linux and OS X.
Adobe has released an emergency patch for a critical vulnerability affecting Flash Player for Windows, Linux and OS X, the exploitation of which can result in an attacker gaining remote control of the victims' systems.
After having worked with Google, Microsoft and Mozilla to incorporate an app sandbox for Flash Player, Adobe has announced that Safari in the recently released OS X Mavericks will also include one.
As promised last year, Adobe has been issuing its scheduled Flash updates on the second Tuesday of each month - the same day that Microsoft chose for its monthly Patch Tuesday.
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