CVE-2021-33793: Foxitsoftware Foxit Reader

Critical severity, CVSS 9.8. EPSS: 1.1% 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 because the Cross-Reference table is mishandled during Office document conversion.

Affected products

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