The PDF functionality in Google Chrome before 19.0.1084.46 allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging an out-of-bounds write error in the implementation of sampled functions.
http://code.google.com/p/chromium/issues/detail?id=123733
http://code.google.com/p/chromium/issues/detail?id=124182
http://googlechromereleases.blogspot.com/2012/05/stable-channel-update.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/75602
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15422