Foxit Reader 8.3.2.25013 and earlier and Foxit PhantomPDF 8.3.2.25013 and earlier, when running in single instance mode, allows attackers to execute arbitrary code or cause a denial of service via a crafted .pdf file, related to "Data from Faulting Address controls Code Flow starting at tiptsf!CPenInputPanel::FinalRelease+0x000000000000002f.".