Vulnerability Report

CVE-2025-66495

Title: Use-After-Free in Annotation Handling (JavaScript)

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2025-66495.

CWE Category CWE-416

Published Date Dec 19, 2025

Modified Date Dec 23, 2025

Exploit Status Not Found

Score 7.8 CVSS v3.1

Exploit Probability (EPSS)

0.26%

Vulnerability Summary

CVE-2025-66495: A use-after-free vulnerability exists in the annotation handling of Foxit PDF Reader before 2025.2.1, 14.0.1, and 13.2.1 on Windows and MacOS. When opening a PDF containing specially crafted JavaScript, a pointer to memory that has already been freed may be accessed or dereferenced, potentially allowing a remote attacker to execute arbitrary code.

Impacted Vendors

foxit 2

nuance 1

foxitsoftware 2

Reference Links

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

CVSS v3.1

Source Entity 14984358-7092-470d-8f34-ade47a7658a2

Severity HIGH

7.8

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-66495 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 23, 2025 MODIFIED

Vulnerability data or affected products updated.

December 23, 2025 MODIFIED

Vulnerability data updated via NVD.

December 19, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


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

Affected Stack

No specific products linked.