CVE-2025-66494 - CVE House
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Status published High CVE-2025-66494

Foxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution Vulnerability

Vulnerability Description

A use-after-free vulnerability exists in the PDF file parsing of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows. A PDF object managed by multiple parent objects could be freed while still being referenced, potentially allowing a remote attacker to execute arbitrary code.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Anonymous working with Trend Micro Zero Day Initiative

References

More from Foxit Software Inc.

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CVE-2025-66523
Reflected Cross-Site Scripting (XSS) Vulnerability in na1.foxitesign.foxit.com via Unsanitized URL Parameters
Medium 6.1
CVE-2025-66522
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name Field
Medium 6.3
CVE-2025-66521
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature
Medium 6.3
CVE-2025-66520
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG Handling
Medium 6.3
CVE-2025-66519
Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality
Medium 6.3

Affected Vendor

Foxit Software Inc.

View all reports →

Affected Software

Foxit PDF Reader, Foxit PDF Editor
Vulnerable Versions:
Versions 2025.2.1 and earlier, Versions 14.0.1 and earlier, Versions 13.2.1 and eariler

Timeline

Official Publish: December 19th, 2025
Last Modified: December 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-416

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact