Release date: January 22, 2015
Last updated: January 24, 2015
Vulnerability identifier: APSA15-01
CVE number: CVE-2015-0311
Platform: All Platforms
A critical vulnerability (CVE-2015-0311) exists in Adobe Flash Player 18.104.22.1687 and earlier versions for Windows and Macintosh. Successful exploitation could cause a crash and potentially allow an attacker to take control of the affected system. We are aware of reports that this vulnerability is being actively exploited in the wild via drive-by-download attacks against systems running Internet Explorer and Firefox on Windows 8.1 and below.
UPDATE (January 24): Users who have enabled auto-update for the Flash Player desktop runtime will be receiving version 22.214.171.1246 beginning on January 24. This version includes a fix for CVE-2015-0311. Adobe expects to have an update available for manual download during the week of January 26, and we are working with our distribution partners to make the update available in Google Chrome and Internet Explorer 10 and 11. For more information on updating Flash Player please refer to this post.
- Adobe Flash Player 126.96.36.1997 and earlier versions for Windows and Macintosh
- Adobe Flash Player 188.8.131.522 and earlier 13.x versions
- Adobe Flash Player 184.108.40.2068 and earlier versions for 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.
Adobe categorizes this as a critical vulnerability.