CVE-2025-66495— Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
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I. Basic Information for CVE-2025-66495
Vulnerability Information
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Vulnerability Title
Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Foxit PDF Reader 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Reader是中国福昕（Foxit）公司的一款PDF阅读器。 Foxit PDF Reader 2025.2.1之前版本、14.0.1之前版本和13.2.1之前版本存在安全漏洞，该漏洞源于注释处理中存在释放后重用，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Foxit Software Inc. | Foxit PDF Reader | Versions 2025.2.1 and earlier | - | |
| Foxit Software Inc. | Foxit PDF Editor | Versions 2025.2.1 and earlier | - |
II. Public POCs for CVE-2025-66495
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Foxit Software Inc. · 2025-12-19 · 15 CVEs total
| CVE-2025-13941 | 8.8 HIGH | Foxit PDF Reader Update Service Incorrect Permission Assignment Local Privilege Escalation |
| CVE-2025-66493 | 7.8 HIGH | Foxit PDF Reader AcroForm Use-After-Free Remote Code Execution Vulnerability |
| CVE-2025-66494 | 7.8 HIGH | Foxit PDF Reader PDF File Parsing Use-After-Free Remote Code Execution Vulnerability |
| CVE-2025-66499 | 7.8 HIGH | Foxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerabilit |
| CVE-2025-66500 | 6.3 MEDIUM | Foxit webplugins.foxit.com Stored Cross-Site Scripting via postMessage Vulnerability |
| CVE-2025-66501 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature |
| CVE-2025-66520 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG Handling |
| CVE-2025-66521 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature |
| CVE-2025-66502 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates Feature |
| CVE-2025-66519 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality |
| CVE-2025-66522 | 6.3 MEDIUM | Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name Field |
| CVE-2025-66497 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
| CVE-2025-66496 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
| CVE-2025-66498 | 5.3 MEDIUM | Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access Vulnerability |
IV. Related Vulnerabilities
Same product: Foxit PDF Reader
- CVE-2026-3780
Foxit PDF Editor/Reader Installer Uncontrolled Search Path P - CVE-2025-66499
Foxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remo - CVE-2025-66498
Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access V - CVE-2025-66497
Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access V - CVE-2025-66496
Foxit PDF Reader 3D Annotation Out-of-Bounds Memory Access V
Same vendor: Foxit Software Inc.
- CVE-2026-5937
Foxit PDF Editor/Reader's insufficient parameter validation - CVE-2026-5938
Foxit PDF Editor/Reader Infinite Loop Denial-of-Service Vuln - CVE-2026-5940
Foxit PDF Editor/Reader Annotation Use-After-Free Remote Cod - CVE-2026-5942
Foxit PDF Editor/Reader AcroForm Signature Use-After-Free Vu - CVE-2026-5943
Foxit PDF Editor/Reader AcroForm Annotation Use-After-Free R
V. Comments for CVE-2025-66495
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