"Google Chrome 18.104.22.168 has been released to the Stable and Beta channels. This release fixes a critical security issue and two other networking bugs.
CVE-2009-2121: Buffer overflow processing HTTP responsesGoogle Chrome is vulnerable to a buffer overflow in handling certain responses from HTTP servers. A specially crafted response from a server could crash the browser and possibly allow an attacker to run arbitrary code.
More info: http://code.google.com/p/