Vulnerability Details CVE-2025-6660
PDF-XChange Editor GIF File Parsing Heap-based Buffer Overflow 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 GIF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-26763.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 19.7%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2025-6660
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cpe:2.3:a:pdf-xchange:pdf-tools:10.5.2.395
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cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.5.2.395
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cpe:2.3:a:pdf-xchange:pdf-xchange_pro:10.5.2.395