CVE-2011-2367
The WebGL implementation in Mozilla Firefox 4.x through 4.0.1 does not properly restrict read operations, which allows remote attackers to obtain sensitive information from GPU memory associated with an arbitrary process, or cause a denial of service (application crash), via unspecified vectors.
Date published : 2011-06-30
http://www.mozilla.org/security/announce/2011/mfsa2011-26.html