CVE-2019-20837: Foxitsoftware Phantompdf

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in Foxit Reader and PhantomPDF before 9.5. It allows signature validation bypass via a modified file or a file with non-standard signatures.

Affected products

• Foxitsoftware Phantompdf: before 9.5 (fixed in 9.5)
• Foxitsoftware Reader: before 9.5 (fixed in 9.5)

Published 2020-06-04. Last modified 2026-06-17.