Security Researcher Sergey Glazunov has find a security hole in Chrome web browser in Pwnium hacking contest set up by Google.
So Google take very quick time and fixed that security bugs and released an update for Chrome Stable channel to 17.0.963.78 for Windows, Mac, Linux and Chrome Fame.
The new released also fixes issues with Flash games and videos. Google gives $60,000 prize money to Sergey Glazunov to obtain this exploit (Chrome/Windows 7 local OS user account persistence using only bugs in Chrome itself.)
