CVE-2023-51551: Foxit PDF Editor

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Foxit PDF Reader AcroForm Signature Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Signature objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-22003.

Affected products

• Foxit PDF Editor: up to and including 10.1.12.37872; from 11.0.0, up to and including 11.2.7.53812; from 12.0.0, up to and including 12.1.3.15356; version 13.0.0.21632 only; version 2023.1.0.15510 only; version 2023.2.0.21408 only; …
• Foxit PDF Reader: up to and including 2023.2.0.21408; up to and including 2023.2.0.61611

Published 2024-05-03. Last modified 2026-06-17.