The International Components for Unicode (ICU) functionality in Google Chrome before 13.0.782.107 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors that trigger an out-of-bounds write.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14179
https://exchange.xforce.ibmcloud.com/vulnerabilities/68953
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html