CVE-2011-2599
Google Chrome 11 does not block use of a cross-domain image as a WebGL texture, which allows remote attackers to obtain approximate copies of arbitrary images via a timing attack involving a crafted WebGL fragment shader.
Date published : 2011-06-30
http://www.contextis.co.uk/resources/blog/webgl/
http://lists.whatwg.org/pipermail/whatwg-whatwg.org/2011-March/030882.html