Heap-based buffer overflow in PDF-XChange products - CVE-2025-0903

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the parsing of RTF files. A remote attacker can trick a victim to open a specially crafted file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2025-0903

External References

• https://www.zerodayinitiative.com/advisories/ZDI-25-070/
• https://www.pdf-xchange.com/support/security-bulletins.html

Related Security Bulletins

• Multiple vulnerabilities in PDF-XChange Editor, PDF-XChange PRO and PDF-Tools