Mailing the story:
X Server Security Disaster: "It's Worse Than It Looks"
There's X.Org Server security vulnerabilities -- even for vulnerabilities going back two decades -- from time to time and in related components of the Linux graphics stack. Parts of the X.Org stack can be in fairly rough shape given the age of X11, but a very poor picture of it was painted at the Chaos Communication Congress. It was stated that the X.Org security is even worse than it looks...