CVE-2025-6655: PDF-XChange Editor PRC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Published Jun 25, 2025
·
Updated

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.

Affected Software

3 affected components
Tracker Software PDF-XChange Editor
PDF-XChange Pdf-tools=10.5.2.395
PDF-XChange PDF-XChange Editor=10.5.2.395

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Was ZDI-CAN-26730 indicates a PRC file parsing out-of-bounds read info disclosure in PDF-XChange Editor; mitigate exposure by preventing users from opening malicious PRC files or visiting malicious pages that trigger the vulnerability.

Event History

Jun 25, 2025
CVE Published
via MITRE·09:41 PM
Data Sourced
via MITRE·09:41 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 3, 2026
Advisory Published
via ZDI·11:01 AM
Data Sourced
via ZDI·11:01 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-6655?

The severity of CVE-2025-6655 is classified as a medium risk due to the potential for information disclosure.

2

How do I fix CVE-2025-6655?

To fix CVE-2025-6655, update your installation of PDF-XChange Editor to the latest version that addresses this vulnerability.

3

What type of vulnerability is CVE-2025-6655?

CVE-2025-6655 is an out-of-bounds read vulnerability that can lead to information disclosure.

4

What does the exploitation of CVE-2025-6655 require?

Exploitation of CVE-2025-6655 requires user interaction with the affected PDF-XChange Editor software.

5

Which software is affected by CVE-2025-6655?

CVE-2025-6655 affects installations of PDF-XChange Editor from Tracker Software.

Contact

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