Release date: November 10, 2015

Vulnerability identifier: APSB15-28

Priority: See table below

CVE number: CVE-2015-7651, CVE-2015-7652, CVE-2015-7653, CVE-2015-7654, CVE-2015-7655, CVE-2015-7656, CVE-2015-7657, CVE-2015-7658, CVE-2015-7659, CVE-2015-7660, CVE-2015-7661, CVE-2015-7662, CVE-2015-7663, CVE-2015-8042, CVE-2015-8043, CVE-2015-8044, CVE-2015-8046

Platform: All Platforms

Adobe has released security updates for Adobe Flash Player.  These updates address critical vulnerabilities that could potentially allow an attacker to take control of the affected system.

• To verify the version of Adobe Flash Player installed on your system, access the About Flash Player page, or right-click on content running in Flash Player and select "About Adobe (or Macromedia) Flash Player" from the menu. If you use multiple browsers, perform the check for each browser you have installed on your system.  
• To verify the version of Adobe AIR installed on your system, follow the instructions in the Adobe AIR TechNote.

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

• Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows and Macintosh update to Adobe Flash Player 19.0.0.245 by visiting the Adobe Flash Player Download Center or via the update mechanism within the product when prompted [1].
• Adobe recommends users of the Adobe Flash Player Extended Support Release update to version 18.0.0.261 by visiting http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html.
• Adobe recommends users of the Adobe Flash Player for Linux update to Adobe Flash Player 11.2.202.548 by visiting the Adobe Flash Player Download Center. 
• Adobe Flash Player installed with Google Chrome will be automatically updated to the latest Google Chrome version, which will include Adobe Flash Player 19.0.0.245 on Windows, Macintosh, Linux and Chrome OS.
• Adobe Flash Player installed with Microsoft Edge for Windows 10 will be automatically updated to the latest version, which will include Adobe Flash Player 19.0.0.245.
• Adobe Flash Player installed with Internet Explorer 10 and 11 for Windows 8.0 and 8.1 will be automatically updated to the latest version, which will include Adobe Flash Player 19.0.0.245.
• Adobe recommends users of the AIR desktop runtime, AIR SDK and AIR SDK & Compiler update to version 19.0.0.241 by visiting the AIR download center or the AIR developer center. 
• Please visit the Flash Player Help page for assistance in installing Flash Player.

• These updates resolve a type confusion vulnerability that could lead to code execution (CVE-2015-7659).
• These updates resolve a security bypass vulnerability that could be exploited to write arbitrary data to the file system under user permissions (CVE-2015-7662).
• These updates resolve use-after-free vulnerabilities that could lead to code execution (CVE-2015-7651, CVE-2015-7652, CVE-2015-7653, CVE-2015-7654, CVE-2015-7655, CVE-2015-7656, CVE-2015-7657, CVE-2015-7658, CVE-2015-7660, CVE-2015-7661, CVE-2015-7663, CVE-2015-8042, CVE-2015-8043, CVE-2015-8044, CVE-2015-8046).

Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers: 

• Anonymous working with HP's Zero Day Initiative (CVE-2015-7661)
• Bilou working with HP's Zero Day Initiative (CVE-2015-7651, CVE-2015-7653, CVE-2015-7654, CVE-2015-7655, CVE-2015-7656, CVE-2015-7657, CVE-2015-7658, CVE-2015-7659, CVE-2015-7660, CVE-2015-8042)
• Bilou working with HP's Zero Day Initiative, and Natalie Silvanovich of Google Project Zero (CVE-2015-7652)
• Jordan Rabet (CVE-2015-7662)
• Kenneth Fitch and Aaron Lamb of Endgame (CVE-2015-7663)
• Natalie Silvanovich of Google Project Zero (CVE-2015-8043, CVE-2015-8044, CVE-2015-8046)