Adobe Security Bulletin

Last updated on | Also Applies to Flash Player

Security updates available for Flash Player | APSB18-31

Bulletin ID	Date Published	Priority
APSB18-31	September 11, 2018	2

Summary

Adobe has released security updates for Adobe Flash Player for Windows, macOS, Linux and Chrome OS. These updates address an important vulnerability in Adobe Flash Player 30.0.0.154 and earlier versions. Successful exploitation could lead to information disclosure.

Affected Product Versions

Product	Version	Platform
Adobe Flash Player Desktop Runtime	30.0.0.154 and earlier versions	Windows, macOS and Linux
Adobe Flash Player for Google Chrome	30.0.0.154 and earlier versions	Windows, macOS, Linux and Chrome OS
Adobe Flash Player for Microsoft Edge and Internet Explorer 11	30.0.0.154 and earlier versions	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 latest version:

Product	Version	Platform	Priority	Availability
Adobe Flash Player Desktop Runtime	31.0.0.108	Windows, macOS	2	Flash Player Download Center Flash Player Distribution
Adobe Flash Player for Google Chrome	31.0.0.108	Windows, macOS, Linux, and Chrome OS	2	Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 11	31.0.0.108	Windows 10 and 8.1	2	Microsoft Security Advisory
Adobe Flash Player Desktop Runtime	31.0.0.108	Linux	3	Flash Player Download Center

Note:

Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows, macOS and Linux update to Adobe Flash Player 31.0.0.108 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 31.0.0.108 for Windows, macOS, 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 31.0.0.108.
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 Number
Privilege Escalation	Information Disclosure	Important	CVE-2018-15967

Acknowledgments

Adobe would like to thank Microsoft’s Security Response Center for notifying us of this issue and for working with Adobe to help protect our customers.