CVE-2021-38573: Foxitsoftware Foxit Reader

Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days.

An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4. It allows writing to arbitrary files because a CombineFiles pathname is not validated.

Affected products

• Foxitsoftware Foxit Reader: before 10.1.4 (fixed in 10.1.4)
• Foxitsoftware Phantompdf: before 10.1.4 (fixed in 10.1.4)

Published 2021-08-11. Last modified 2026-06-17.