Adobe Flash Player and AIR Critical Security Update

Adobe has released Version 21.0.0.242 of Adobe Flash Player for Microsoft Windows and Macintosh and Version 11.2.202.616 for Linux.  The Extended Support Release for Windows and Macintosh was updated to Version 18.0.0.352.  Adobe AIR SDK has been updated to Version 21.0.0.215.

The updates are to address critical vulnerabilities that are being actively exploited.  

Release date: May 12, 2016
Vulnerability identifier: APSB16-15
CVE number: CVE-2016-1096, CVE-2016-1097, CVE-2016-1098, CVE-2016-1099, CVE-2016-1100, CVE-2016-1101, CVE-2016-1102, CVE-2016-1103, CVE-2016-1104, CVE-2016-1105, CVE-2016-1106, CVE-2016-1107, CVE-2016-1108, CVE-2016-1109, CVE-2016-1110, CVE-2016-4108, CVE-2016-4109, CVE-2016-4110, CVE-2016-4111, CVE-2016-4112, CVE-2016-4113, CVE-2016-4114, CVE-2016-4115, CVE-2016-4116, CVE-2016-4117
Platform: Windows, Macintosh, Linux and ChromeOS

Warning:  Although Adobe suggests downloading the update from the Adobe Flash Player Download Center, that link includes a pre-checked option to install unnecessary extras, such as McAfee Scan Plus or Google Drive.  If you use the download center, uncheck any unnecessary extras. 

• Non-IE Plugin (Opera, Firefox, Etc.):  http://download.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_21_plugin.exe
• Flash Player For Internet Explorer, Windows 7 and earlier:  http://download.macromedia.com/get/flashplayer/current/licensing/win/install_flash_player_21_active_x.exe
• Internet Explorer and Microsoft Edge:  Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10, and Windows 10 Version 1511: Adobe Flash Player is now a security bulletin rather than a security advisory and is distributed via the normal Windows Update channel.
  
• Flash Player Uninstaller:  http://download.macromedia.com/get/flashplayer/current/support/uninstall_flash_player.exe
• Adobe AIR:  http://get.adobe.com/air/

Notes:

• If you use the Adobe Flash Player Download Center, be careful to uncheck any optional downloads that you do not want.  Any pre-checked option is not needed for the Flash Player update.
• Uncheck any toolbar offered with Adobe products if not wanted.
• If you use alternate browsers, it is necessary to install the update for both Internet Explorer as well as the update for alternate browsers.
• The separate 32-bit and 64-bit uninstallers have been replaced with a single uninstaller.

Verify Installation

To verify the Adobe Flash Player version number installed on your computer, go to the About Flash Player page, or right-click on content running in Flash Player and select "About Adobe Flash Player" from the menu. 

Do this for each browser installed on your computer.

To verify the version of Adobe Flash Player for Android, go to Settings > Applications > Manage Applications > Adobe Flash Player x.x.

References

• Adobe Priority Ratings
• AIR Download Center 
• Release Notes:  Flash Player® 21 AIR® 21
• Security Bulletin
• PSIRT

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