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Applies to: Flash Player

某些 Creative Cloud 应用程序、服务和功能在中国不可用。

Security updates available for Adobe Flash Player | APSB20-58
Bulletin ID Date Published Priority
APSB20-58
 October 13, 2020       
  2

Summary

Adobe has released security updates for Adobe Flash Player for Windows, macOS, Linux and Chrome OS. These updates address a critical vulnerability in Adobe Flash Player. Successful exploitation could lead to an exploitable crash, potentially resulting in arbitrary code execution in the context of the current user.  

Affected Product Versions

Product  Version  Platform
Adobe Flash Player Desktop Runtime  32.0.0.433 and earlier   Windows, macOS and Linux
Adobe Flash Player for Google Chrome  32.0.0.433 and earlier  Windows, macOS, Linux and Chrome OS 
Adobe Flash Player for Microsoft Edge and Internet Explorer 11  32.0.0.387  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 latest version:

Product Version Platform Priority Availability
Adobe Flash Player Desktop Runtime 32.0.0.445
 Windows, macOS 2

Flash Player Download Center

Flash Player Distribution
Adobe Flash Player for Google Chrome 32.0.0.445
 Windows, macOS, Linux, and Chrome OS  2 Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 11 32.0.0.445
 Windows 10 and 8.1 2 Microsoft Security Advisory
Adobe Flash Player Desktop Runtime 32.0.0.445
 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  32.0.0.445 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  32.0.0.445  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 32.0.0.445.
  • 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
NULL Pointer Dereference Arbitrary Code Execution Critical CVE-2020-9746

Note:

Exploitation of CVE-2020-9746 requires an attacker to insert malicious strings in an HTTP response that is by default delivered over TLS/SSL.