CVE-2021-33792: Foxitsoftware Foxit Reader

High severity, CVSS 7.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Foxit Reader before 10.1.4 and PhantomPDF before 10.1.4 have an out-of-bounds write via a crafted /Size key in the Trailer dictionary.

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 2021-07-09. Last modified 2026-06-17.