Google Chrome before 13.0.782.107 does not properly handle nested functions in PDF documents, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted document.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14448
https://exchange.xforce.ibmcloud.com/vulnerabilities/68966
http://googlechromereleases.blogspot.com/2011/08/stable-channel-update.html