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Adobe Security Bulletin
Security updates available for Adobe Flash Player


Release date: November 25, 2014


Vulnerability identifier: APSB14-26


Priority: See table below


CVE number: CVE-2014-8439


Platform: All Platforms
Summary


Adobe has released security updates for Adobe Flash Player for Windows, Macintosh and Linux.  These updates provide additional hardening against CVE-2014-8439, which was mitigated in the October 14, 2014 release (reference http://helpx.adobe.com/security/products/flash-player/apsb14-22.html).   


Adobe recommends users update their product installations to the latest versions: 


    Users of the Adobe Flash Player desktop runtime for Windows and Macintosh should update to Adobe Flash Player 15.0.0.239. 


    Users of the Adobe Flash Player Extended Support Release should update to Adobe Flash Player 13.0.0.258. 


    Users of Adobe Flash Player for Linux should update to Adobe Flash Player 11.2.202.424. 


    Adobe Flash Player installed with Google Chrome, as well as Internet Explorer on Windows 8.x will be automatically updated to the current version. 


Affected software versions


    Adobe Flash Player 15.0.0.223 and earlier versions 


    Adobe Flash Player 13.0.0.252 and earlier 13.x versions 


    Adobe Flash Player 11.2.202.418 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.


Solution


Adobe recommends users update their software installations by following the instructions below: 


    Adobe recommends users of the Adobe Flash Player desktop runtime for Windows and Macintosh update to Adobe Flash Player 15.0.0.239 by visiting the Adobe Flash Player Download Center, or via the update mechanism within the product when prompted. 


    Adobe recommends users of the Adobe Flash Player Extended Support Release should update to version 13.0.0.258 by visiting http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html. 


    Adobe recommends users of Adobe Flash Player for Linux update to Adobe Flash Player 11.2.202.424 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 15.0.0.239 on Windows and 15.0.0.242 on Macintosh. 


    Adobe Flash Player installed with Internet Explorer for Windows 8.x will be automatically updated to the latest version, which will include Adobe Flash Player 15.0.0.239.


Priority and severity ratings


Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:
Product 	Affected versions 	Platform 	Priority rating
Adobe Flash Player Desktop Runtime 	15.0.0.223 and earlier
	Windows and Macintosh
	2
Adobe Flash Player Extended Support Release 	13.0.0.252 and earlier 	Windows and Macintosh
	2
Adobe Flash Player for Google Chrome  	15.0.0.223 and earlier 	Windows, Macintosh and Linux
	2
Adobe Flash Player for Internet Explorer 10 and Internet Explorer 11 	15.0.0.223 and earlier 	Windows 8.0 and 8.1 	2
Adobe Flash Player 	11.2.202.418 and earlier 	Linux 	3


These updates address a critical vulnerability in the software.
Details


Adobe has released security updates for Adobe Flash Player for Windows, Macintosh and Linux.  These updates provide additional hardening against CVE-2014-8439, which was mitigated in the October 14, 2014 release (reference http://helpx.adobe.com/security/products/flash-player/apsb14-22.html).   


    Users of the Adobe Flash Player desktop runtime for Windows and Macintosh should update to Adobe Flash Player 15.0.0.239. 


    Users of the Adobe Flash Player Extended Support Release should update to Adobe Flash Player 13.0.0.258. 


    Users of Adobe Flash Player for Linux should update to Adobe Flash Player 11.2.202.424. 


    Adobe Flash Player installed with Google Chrome, as well as Internet Explorer on Windows 8.x will be automatically updated to the current version.  


These updates provide additional hardening against a vulnerability in the handling of a dereferenced memory pointer that could lead to code execution (CVE-2014-8439).  A mitigation was previously introduced for this issue in the October 14, 2014 release. 
Affected Software 	  	Recommended Player Update 	Availability
Flash Player Desktop Runtime
	  	15.0.0.239 	


Flash Player Download Center


Flash Player Distribution
Flash Player Extended Support Release 	  	13.0.0.258 	Extended Support
Flash Player for Linux 	  	11.2.202.424 	Flash Player Download Center
Flash Player for Google Chrome 	  	


15.0.0.239 (Windows)


15.0.0.242 (Macintosh)
	Google Chrome Releases
Flash Player for Internet Explorer 10 and Internet Explorer 11 	  	15.0.0.239
	Microsoft Security Advisory
Acknowledgments


Adobe would like to thank the following individuals and organizations for reporting the relevant issue and for working with Adobe to help protect our customers:


    Sébastien Duquette of ESET, Timo Hirvonen of F-Secure and Kafeine (CVE-2014-8439)