Buffer overflow in the SetLogFile method in Foxit.FoxitPDFSDKProCtrl.5 in Foxit PDF SDK ActiveX 2.3 through 5.0.1820 before 5.0.2.924 allows remote attackers to execute arbitrary code via a long string, related to global variables.

A use after free in the TextBox field Mouse Enter action in IReader_ContentProvider can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031. An attacker can leverage this to gain remote code execution. Relative to CVE-2018-19444, this has a different free location and requires different JavaScript code for exploitation.

A command injection can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031 when using the Open File action on a Field. An attacker can leverage this to gain remote code execution.

A command injection can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) 5.4.0.1031 when parsing a launch action. An attacker can leverage this to gain remote code execution.

A File Write can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031 when the JavaScript API Doc.exportAsFDF is used. An attacker can leverage this to gain remote code execution.

In Foxit Reader SDK (ActiveX) Professional 5.4.0.1031, an uninitialized object in IReader_ContentProvider::GetDocEventHandler occurs when embedding the control into Office documents. By opening a specially crafted document, an attacker can trigger an out of bounds write condition, possibly leveraging this to gain remote code execution.

A stack-based buffer overflow can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) 5.4.0.1031 when parsing the URI string. An attacker can leverage this to gain remote code execution.

A File Write can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031 when the JavaScript API Doc.createDataObject is used. An attacker can leverage this to gain remote code execution.

A command injection can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031 when the JavaScript API app.launchURL is used. An attacker can leverage this to gain remote code execution.

A use after free in the TextBox field Validate action in IReader_ContentProvider can occur for specially crafted PDF files in Foxit Reader SDK (ActiveX) Professional 5.4.0.1031. An attacker can leverage this to gain remote code execution. Relative to CVE-2018-19452, this has a different free location and requires different JavaScript code for exploitation.