Adobe Security Bulletin

Security updates available for Flash Player | APSB17-23

Bulletin ID

Date Published

Priority

APSB17-23

August 8, 2017

1

Summary

Adobe has released security updates for Adobe Flash Player for Windows, Macintosh, Linux and Chrome OS. These updates address a critical type confusion vulnerability that could lead to code execution and an important security bypass vulnerability that could lead to information disclosure.

Affected product versions

Product

Version

Platform

Adobe Flash Player Desktop Runtime

26.0.0.137 and earlier

Windows, Macintosh and Linux

Adobe Flash Player for Google Chrome

26.0.0.137 and earlier

Windows, Macintosh, Linux and Chrome OS

Adobe Flash Player for Microsoft Edge and Internet Explorer 11

26.0.0.137 and earlier

Windows 10 and 8.1

  • 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

Version

Platform

Priority

Availability

Adobe Flash Player Desktop Runtime

26.0.0.151

Windows, Macintosh

1

Adobe Flash Player for Google Chrome

26.0.0.151

Windows, Macintosh, Linux and Chrome OS 

1

Adobe Flash Player for Microsoft Edge and Internet Explorer 11

26.0.0.151

Windows 10 and 8.1

1

Adobe Flash Player Desktop Runtime

26.0.0.151

Linux

3

Примітка.
  • Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows, Macintosh and Linux update to Adobe Flash Player 26.0.0.151 via the update mechanism within the product [1] or 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 26.0.0.151 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 26.0.0.151.
  • Please visit the Flash Player Help page for assistance in installing Flash Player.

[1] Users 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

Vulnerability Category

Vulnerability Impact

Severity

CVE Numbers

Security Bypass

Information Disclosure

Important

CVE-2017-3085

Type Confusion

Remote Code Execution

Critical

CVE-2017-3106

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:

  • Björn Ruytenberg working with Trend Micro's Zero Day Initiative (CVE-2017-3085)
  • Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero (CVE-2017-3106)
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