Adobe Issues Emergency Flash Update

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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 product versions

ProductVersionPlatform
Adobe Flash Player Desktop Runtime26.0.0.131 and earlierWindows, Macintosh and Linux
Adobe Flash Player for Google Chrome26.0.0.131 and earlierWindows, Macintosh, Linux and Chrome OS
Adobe Flash Player for Microsoft Edge and Internet Explorer 1126.0.0.120 and earlierWindows 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:

ProductVersionPlatformPriorityAvailability
Adobe Flash Player Desktop Runtime26.0.0.137Windows, Macintosh1Flash Player Download Center

Flash Player Distribution

Adobe Flash Player for Google Chrome26.0.0.137Windows, Macintosh, Linux and Chrome OS1Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 1126.0.0.137Windows 10 and 8.11Microsoft Security Advisory
Adobe Flash Player Desktop Runtime26.0.0.137Linux3Flash Player Download Center

Note:

  • Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows, Macintosh and Linux update to Adobe Flash Player 26.0.0.137 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 26.0.0.137 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 26.0.0.137.
  • 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 CategoryVulnerability ImpactSeverityCVE Numbers
Security BypassInformation DisclosureImportantCVE-2017-3080
Memory CorruptionRemote Code ExecutionCriticalCVE-2017-3099
Memory CorruptionMemory address disclosureImportantCVE-2017-3100
Source: Adobe Security Bulletin

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