CVE-2025-6640 HIGH

CVE-2025-6640: PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability

Vendor Pdf-Xchange
Product PDF-XChange Editor
Weakness CWE-416
Published June 25, 2025
Last update June 30, 2025

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

PDF-XChange Editor U3D File Parsing Use-After-Free Remote Code Execution Vulnerability. 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. 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-26527.

Key dates

02Disclosure timeline

June 25, 2025 CVE published
June 30, 2025 Record updated