Critical Vulnerability has been identified in Google Chrome Version 0.2.149.27 and all builds prior which enables an attacker to perform a Buffer Overflow attack and perform remote code execution.
To avoid being effected users are advised to not use the “Save As” function on untrusted websites.
there is a vlunerblity test website, on chromeplugins.org and as they beensaying it wont harm the installation of the chrome or creat fults in ur system more inofrmation in regards vlunerblity test in the following link .
http://www.chromeplugins.org/chrome/critical-chrome-vulnerability/
Test Google Chrome Vulnerability link .
http://www.chromeplugins.org/save-as-vulnerability.html