CVE-2018-5680: Foxitsoftware Phantompdf

High severity, CVSS 8.8. EPSS: 3.2% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader before 9.1 and PhantomPDF before 9.1. 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 processing of specially crafted pdf files with embedded u3d images. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process, a different vulnerability than CVE-2018-5677 and CVE-2018-5679.

Affected products

• Foxitsoftware Phantompdf: up to and including 9.0.1.1049
• Foxitsoftware Reader: up to and including 9.0.1.1049

Published 2018-05-24. Last modified 2026-06-17.