Encrypt PDF 2.3 Denial of Service via Buffer Overflow

Encrypt PDF 2.3 contains a buffer overflow vulnerability that allows local attackers to crash the application by inputting excessively long strings into password fields. Attackers can paste a 1000-byte buffer into the User Password or Master Password field in the Settings dialog to trigger an application crash when importing PDF files.

VeryPDF PCL Converter 2.7 Denial of Service via PDF Security

VeryPDF PCL Converter 2.7 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long password string. Attackers can trigger a buffer overflow by entering a 3000-byte password in the PDF Security encryption fields, causing the application to crash when processing PCL files.

VeryPDF 4.1 has a Memory Overflow leading to Code Execution because pdfocx!CxImageTIF::operator in pdfocx.ocx (used by pdfeditor.exe and pdfcmd.exe) is mishandled.