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CVE-2025-2231: PDF-XChange Editor RTF File Parsing Out-Of-Bounds Read Remote Code Execution Vulnerability

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-03-24 · updated 2026-06-17
• Weakness: CWE-125

Description

PDF-XChange Editor RTF File Parsing Out-Of-Bounds Read 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 RTF 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 buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-25473.

Affected products

• PDF-XChange Pdf-Tools: 10.5.1.394
• PDF-XChange Editor: 10.5.1.394

References

• https://www.pdf-xchange.com/support/security-bulletins.html
• https://www.zerodayinitiative.com/advisories/ZDI-25-129/

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