Advisory Details

December 19th, 2025

Foxit PDF Reader U3D File Parsing Use-After-Free Information Disclosure Vulnerability

ZDI-25-1179
ZDI-CAN-28532

CVE ID CVE-2025-66498
CVSS SCORE 3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS Foxit
AFFECTED PRODUCTS PDF Reader
VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 specific flaw exists within the parsing of U3D files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS

https://www.foxit.com/support/security-bulletins.html  


DISCLOSURE TIMELINE
  • 2025-11-04 - Vulnerability reported to vendor
  • 2025-12-19 - Coordinated public release of advisory
  • 2025-12-19 - Advisory Updated
CREDIT Mat Powell of Trend Zero Day Initiative
BACK TO ADVISORIES