CVE-2025-6654: PDF-XChange Editor PRC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Description
PDF-XChange Editor PRC File Parsing Out-Of-Bounds Write 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 PRC files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26729.
Classification
CVE ID: CVE-2025-6654
CVSS Base Severity: HIGH
CVSS Base Score: 7.8
CVSS Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Problem Types
CWE-787: Out-of-bounds WriteAffected Products
Vendor: PDF-XChange
Product: PDF-XChange Editor
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: total
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-6654https://www.zerodayinitiative.com/advisories/ZDI-25-439/
https://www.pdf-xchange.com/support/security-bulletins.html