CVE-2025-6655 Details
Description
PDF-XChange Editor PRC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 PRC 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 in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-26730.
A vulnerability allowing out-of-bounds read has been identified in PDF-XChange Editor versions 10.5.2.395, 10.5.1.394, 10.5.0.393, 10.4.4.392, 10.4.2.390, 10.4.0.388, 10.1.2.382, 10.1.1.381, 10.0.0.370, and 9.5.368.0. This vulnerability arises from improper validation of user-supplied data when parsing PRC files, leading to reading past the end of an allocated object. As a result, remote attackers can exploit this vulnerability to disclose sensitive information. User interaction is required, as the target must open a malicious PRC file or visit a malicious page.
PDF-XChange has released a security update to address this vulnerability. Users can download the latest version from the PDF-XChange website or through the PDF-XChange Updater.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 26, 2025References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.pdf-xchange.com/support/security-bulletins.html | [email protected] | Vendor Advisory |
| https://www.zerodayinitiative.com/advisories/ZDI-25-440/ | [email protected] | Third Party Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| pdf-xchange pdf-tools | 10.5.2.395 |
CPE
Remediation
| |
| pdf-xchange pdf-xchange editor | 10.5.2.395 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jul 1, 2025 | Initial Analysis | [email protected] |
| Jun 25, 2025 | New CVE Received | [email protected] |