Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pdf-Xchange | Pdf-Tools | 10.5.2.395 |
| Pdf-Xchange | Pdf-Xchange Editor | 10.5.2.395 |
Related Weaknesses (CWE)
References
- https://www.pdf-xchange.com/support/security-bulletins.htmlVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-25-425/Third Party Advisory
FAQ
What is CVE-2025-6640?
CVE-2025-6640 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 Ed...
How severe is CVE-2025-6640?
CVE-2025-6640 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-6640?
Check the references section above for vendor advisories and patch information. Affected products include: Pdf-Xchange Pdf-Tools, Pdf-Xchange Pdf-Xchange Editor.