CVE-2025-66499— Foxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerability
Quick assessment
Affected
Foxit Software Inc. Foxit PDF Reader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Foxit PDF Reader是中国福昕（Foxit）公司的一款PDF阅读器。 Foxit PDF Reader存在安全漏洞，该漏洞源于处理特制JBIG2数据时存在堆缓冲区溢出，可能导致执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-66499
Vulnerability Information
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Vulnerability Title
Foxit PDF Reader PDF Parsing Heap-Based Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A heap-based buffer overflow vulnerability exists in the PDF parsing of Foxit PDF Reader when processing specially crafted JBIG2 data. An integer overflow in the calculation of the image buffer size may occur, potentially allowing a remote attacker to execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
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存在安全漏洞，该漏洞源于处理特制JBIG2数据时存在堆缓冲区溢出，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-2025-66499
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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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-2025-66495 | 7.8 HIGH | Foxit PDF Reader Annotation Use-After-Free Remote Code Execution Vulnerability |
| 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-2025-66500 | 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 |
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