PDF-XChange Editor 10.5.2.395 U3D File Parser out-of-bounds

Summaryinfo

A vulnerability was found in PDF-XChange Editor 10.5.2.395. It has been rated as critical. This affects an unknown function of the component U3D File Parser. This manipulation causes out-of-bounds. This vulnerability is registered as CVE-2025-6642. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in PDF-XChange Editor 10.5.2.395 and classified as critical. Affected by this vulnerability is an unknown function of the component U3D File Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

PDF-XChange Editor U3D File Parsing Out-Of-Bounds Read 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 proper validation of user-supplied data, which can result in a read past the end of an allocated object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26530.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is known as CVE-2025-6642 since 06/25/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 240861 (PDF-XChange Editor < 10.6.0.396 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (240861) and EUVD (EUVD-2025-19144). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Document Reader Software

Vendor

• PDF-XChange

Name

• Editor

Version

• 10.5.2.395

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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