A use after free vulnerability was discovered in PDFTron SDK version 9.2.0. A crafted PDF can overwrite RIP with data previously allocated on the heap. This issue affects: PDFTron PDFTron SDK 9.2.0 on OSX; 9.2.0 on Linux; 9.2.0 on Windows.
PDFTron's WebViewer UI 8.0 or below renders dangerous URLs as hyperlinks in supported documents, including JavaScript URLs, allowing the execution of arbitrary JavaScript code.