Adobe has released a new version of Flash, 10.3.183.10, that fixes critical security issues for Flash running on Windows, Macintosh, Linux and Solaris, that could cause the application to crash and could potentially allow an attacker to take control of the affected system.
Note that there are reports that one of these vulnerabilities (CVE-2011-2444) is being exploited in the wild in active targeted attacks designed to trick the user into clicking on a malicious link delivered in an email message. So please update your systems soon.
Also, if you are running Windows and using both Internet Explorer and another web browser (i.e. Firefox, Opera or Safari), you will need to install the update twice; once using Internet Explorer and again with the other browser(s). Internet Explorer uses ActiveX for Flash, and the other browsers use a plugin.
For more information and links to software downloads, see