Google Chrome before 13.0.782.107 does not ensure that the speech-input bubble is shown on the product's screen, which might make it easier for remote attackers to make audio recordings via a crafted web page containing an INPUT element.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14331
https://exchange.xforce.ibmcloud.com/vulnerabilities/68948
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html