Google Chrome before 11.0.696.57 does not properly implement the tabs permission for extensions, which allows remote attackers to read local files via a crafted extension.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14586
https://exchange.xforce.ibmcloud.com/vulnerabilities/67142
http://googlechromereleases.blogspot.com/2011/04/chrome-stable-update.html