The CPDF_Document::GetPage function in fpdfapi/fpdf_parser/fpdf_parser_document.cpp in PDFium, as used in Google Chrome before 46.0.2490.71, does not properly perform a cast of a dictionary object, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted PDF document.
This entry has been deprecated. It was originally used for organizing the Development View (CWE-699) and some other views, but it introduced unnecessary complexity and depth to the resulting tree.