Mozilla developer Victor Porof reported a flaw in the NVIDIA OS X graphic drivers that would allow portions of a user's desktop or other visible applications to be incorporated into WebGL canvases. This could result in personal information becoming available to web content. External Reference: http://www.mozilla.org/security/announce/2013/mfsa2013-86.html Acknowledgements: Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Victor Porof as the original reporter. Statement: This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6