CVE-2022-42373: PDF-Xchange Editor

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

This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. 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 parsing of U3D files. Crafted data in a U3D file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-18402.

Affected products

• PDF-Xchange PDF-Xchange Editor: before 9.5.366.0 (fixed in 9.5.366.0)

Published 2023-01-26. Last modified 2026-06-17.