ZDI-20-529: Foxit PhantomPDF U3DBrowser U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PhantomPDF. 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 U3D objects in PDF 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Affected Software

1 affected component
Foxit PhantomPDF

Event History

Feb 23, 2026
Advisory Published
via ZDI·06:25 PM
Data Sourced
via ZDI·06:25 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of ZDI-20-529?

The severity of ZDI-20-529 is rated as high due to its potential for exposing sensitive information.

2

How do I fix ZDI-20-529?

To fix ZDI-20-529, update Foxit PhantomPDF to the latest version provided by Foxit Software.

3

What types of attacks can exploit ZDI-20-529?

ZDI-20-529 can be exploited through user interaction, such as visiting a malicious webpage or opening a compromised file.

4

What specific software versions are affected by ZDI-20-529?

ZDI-20-529 affects certain versions of Foxit PhantomPDF for Windows.

5

Is user interaction required to exploit ZDI-20-529?

Yes, user interaction is required for the exploitation of ZDI-20-529.

Contact

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