Integer overflow in Google Chrome before 23.0.1271.64 allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a crafted WebP image.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15943
https://exchange.xforce.ibmcloud.com/vulnerabilities/79862
https://code.google.com/p/chromium/issues/detail?id=157079
http://www.securityfocus.com/bid/56413
http://googlechromereleases.blogspot.com/2012/11/stable-channel-release-and-beta-channel.html