CVE-2025-66498: Foxit PDF Editor

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A memory corruption vulnerability exists in the 3D annotation handling of Foxit PDF Reader due to insufficient bounds checking when parsing U3D data. When opening a PDF file containing malformed or specially crafted PRC content, out-of-bounds memory access may occur, resulting in memory corruption.

Affected products

• Foxit PDF Editor: up to and including 13.2.1.23955; from 14.0.0.33046, up to and including 14.0.1.33197; from 2023.1.0.15510, up to and including 2023.3.0.23028; from 2024.1.0.23997, up to and including 2024.4.1.27687; from 2025.1.0.27937, up to and including 2025.2.1.33197
• Foxit PDF Reader: up to and including 2025.2.1.33197

Published 2025-12-19. Last modified 2026-06-17.