CVE-2025-66495: Foxit PDF Editor

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

A use-after-free vulnerability exists in the annotation handling of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows and MacOS. When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced, potentially allowing a remote attacker to execute arbitrary code.

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; up to and including 13.2.1.63315; …
• Foxit PDF Reader: up to and including 2025.2.1.33197; up to and including 2025.2.1.69005

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