The u3d plugin 9.3.0.10809 (aka plugins\U3DBrowser.fpi) in FoxitReader.exe in Foxit Reader 9.3.0.10826 allows remote attackers to cause a denial of service (out-of-bounds read) or obtain sensitive information via a U3D sample because of a "Read Access Violation near NULL starting at FoxitReader!safe_vsnprintf+0x00000000002c4330" issue.