Adobe Security Bulletin

Security updates available for Adobe Flash Player

Release date: November 8, 2016

Vulnerability identifier: APSB16-37

Priority: See table below

CVE number: CVE-2016-7857, CVE-2016-7858, CVE-2016-7859, CVE-2016-7860, CVE-2016-7861, CVE-2016-7862, CVE-2016-7863, CVE-2016-7864, CVE-2016-7865

Platform: Windows, Macintosh, Linux and Chrome OS

Summary

Adobe has released security updates for Adobe Flash Player for Windows, Macintosh, Linux and Chrome OS.  These updates address critical vulnerabilities that could potentially allow an attacker to take control of the affected system.  

Affected Versions

Product Affected Versions Platform
Adobe Flash Player Desktop Runtime 23.0.0.205 and earlier
Windows and Macintosh
Adobe Flash Player for Google Chrome 23.0.0.205 and earlier Windows, Macintosh, Linux and Chrome OS
Adobe Flash Player for Microsoft Edge and Internet Explorer 11 23.0.0.205 and earlier Windows 10 and 8.1
Adobe Flash Player for Linux 11.2.202.643 and earlier Linux
  • 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.  

Solution

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

Product Updated Versions Platform Priority rating Availability
Adobe Flash Player Desktop Runtime
23.0.0.207 Windows and Macintosh
1

Flash Player Download Center

Flash Player Distribution

Adobe Flash Player for Google Chrome 23.0.0.207 Windows, Macintosh, Linux and Chrome OS   1 Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 11 23.0.0.207 Windows 10 and 8.1 1 Microsoft Security Advisory
Adobe Flash Player for Linux 11.2.202.644 Linux 3 Flash Player Download Center
  • Adobe recommends users of the  Adobe Flash Player Desktop Runtime for Windows and Macintosh update to 23.0.0.207 via the update mechanism within the product [1] or by visiting the Adobe Flash Player Download Center.
  • Adobe recommends users of Adobe Flash Player for Linux update to Adobe Flash Player 11.2.202.644 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 23.0.0.207 for Windows, Macintosh, Linux and Chrome OS.
  • Adobe Flash Player installed with Microsoft Edge and Internet Explorer 11 for Windows 10 and 8.1 will be automatically updated to the latest version, which will include Adobe Flash Player 23.0.0.207. 
  • Please visit the Flash Player Help page for assistance in installing Flash Player.

[1] Users of Flash Player 11.2.x or later for Windows, or Flash Player 11.3.x or later for Macintosh, who have selected the option to 'Allow Adobe to install updates' will receive the update automatically. Users who do not have the 'Allow Adobe to install updates' option enabled can install the update via the update mechanism within the product when prompted.

Vulnerability Details

  • These updates resolve type confusion vulnerabilities that could lead to code execution (CVE-2016-7860, CVE-2016-7861, CVE-2016-7865). 
  • These updates resolve use-after-free vulnerabilities that could lead to code execution (CVE-2016-7857, CVE-2016-7858, CVE-2016-7859, CVE-2016-7862, CVE-2016-7863, CVE-2016-7864).

Acknowledgments

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:
  • Archer working with Trend Micro's Zero Day Initiative (CVE-2016-7859)
  • Kiritou Kureha working with Trend Micro's Zero Day Initiative (CVE-2016-7858)
  • Erisaka Mafuyu working with Trend Micro's Zero Day Initiative (CVE-2016-7863)
  • onoe serika working with Trend Micro's Zero Day Initiative (CVE-2016-7862)
  • Kuchiki Toko working with Trend Micro's Zero Day Initiative (CVE-2016-7865)
  • Takanashi Rikka working with Trend Micro's Zero Day Initiative (CVE-2016-7864)
  • bo13oy of CloverSec Labs working with Trend Micro's Zero Day Initiative (CVE-2016-7857, CVE-2016-7860, CVE-2016-7861)