CVE-2018-17626: Foxitsoftware Phantompdf

High severity, CVSS 8.8. EPSS: 3.9% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.2.0.9297. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of the Validate events of TextBox objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6439.

Affected products

• Foxitsoftware Phantompdf: up to and including 9.2.0.9297
• Foxitsoftware Reader: up to and including 9.2.0.9297

Published 2019-01-24. Last modified 2026-06-17.