ZDI-CAN-28306: ZDI-25-1175: Foxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution Vulnerability

Published Dec 19, 2025
·
Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2025-66494.

Affected Software

1 affected component
Foxit Foxit PDF Reader

Event History

Dec 19, 2025
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
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Frequently Asked Questions

1

What is the severity of ZDI-CAN-28306?

ZDI-CAN-28306 has been assigned a CVSS rating indicating a high severity due to its potential for remote code execution.

2

How do I fix ZDI-CAN-28306?

To remediate ZDI-CAN-28306, ensure you update Foxit PDF Reader to the latest version available from the vendor.

3

What type of attack does ZDI-CAN-28306 facilitate?

ZDI-CAN-28306 facilitates remote code execution attacks, which can occur when a user interacts with a malicious page or file.

4

Do exploitations of ZDI-CAN-28306 require user interaction?

Yes, exploitations of ZDI-CAN-28306 require user interaction, as the target must visit a malicious page or open a malicious file.

5

Which software is affected by ZDI-CAN-28306?

ZDI-CAN-28306 affects all installations of Foxit PDF Reader that have not been updated to address this vulnerability.

Contact

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