Is your graphics card driver an Internet attack vector? Apparently so, as Context, a British security consultancy, released a security bulletin this week warning that the Web Graphics Library (WebGL) is vulnerable to denial of service (DoS) attacks and cross-domain image theft. WebGL is a specification that allows Web browsers to use OpenGL--a 3-D, hardware-accelerated graphics API--with HTML5. WebGL is built into Firefox 4 and Chrome, and included with--but not enabled by default--in Safari. Many people see WebGL as a potential open ...