Adobes Digital Editions 4 (DE4) e-book app/PDF reader is used by thousands of libraries to enable patrons to borrow e-books. The app actively logs and reports every document that readers add to their devices libraries, along with what users do with the files down to the number of pages they manage to read. Adobe is working on a fix for the security hole, but it didnt give a timeline on when itll see when it will be updated.”]