CVE-2025-6656: PDF-XChange Editor PRC File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
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-26731.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Patch ZDI-CAN-26731 - Compensating control
Was ZDI-CAN-26731: Ensure users do not open malicious files or visit malicious pages (requires user interaction to exploit).
Event History
Frequently Asked Questions
What is the severity of CVE-2025-6656?
CVE-2025-6656 has a severity rating that indicates it allows for an information disclosure vulnerability.
How do I fix CVE-2025-6656?
To fix CVE-2025-6656, ensure that you update PDF-XChange Editor to the latest version provided by Tracker Software.
What type of vulnerability is CVE-2025-6656?
CVE-2025-6656 is classified as an out-of-bounds read vulnerability that can lead to sensitive information disclosure.
Is user interaction required to exploit CVE-2025-6656?
Yes, user interaction is required to exploit CVE-2025-6656.
What software is affected by CVE-2025-6656?
CVE-2025-6656 affects PDF-XChange Editor developed by Tracker Software.