CVE-2025-6661: PDF-XChange Editor App Object Use-After-Free Remote Code Execution Vulnerability
PDF-XChange Editor App Object 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 handling of App objects. 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-26823.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-6661?
CVE-2025-6661 is classified as a remote code execution vulnerability with a high severity rating.
How do I fix CVE-2025-6661?
To fix CVE-2025-6661, you should update to the latest version of PDF-XChange Editor as provided by Tracker Software.
What platforms are affected by CVE-2025-6661?
CVE-2025-6661 affects installations of PDF-XChange Editor on all supported platforms.
Is user interaction required to exploit CVE-2025-6661?
Yes, user interaction is required for the exploitation of CVE-2025-6661 as the target must open a malicious file.
What potential impact could CVE-2025-6661 have if exploited?
If exploited, CVE-2025-6661 could allow an attacker to execute arbitrary code on the affected system, potentially compromising it.