CVE-2026-5938— Foxit PDF Editor/Reader Infinite Loop Denial-of-Service Vulnerability
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I. Basic Information for CVE-2026-5938
Vulnerability Information
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Vulnerability Title
Foxit PDF Editor/Reader Infinite Loop Denial-of-Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper control flow management allows a crafted document action chain to cause modal dialog reentry on the main thread, resulting in UI freeze and denial of service.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的控制流管理
Source: NVD (National Vulnerability Database)
Vulnerability Title
Foxit PDF Reader和Foxit PDF Editor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Reader和Foxit PDF Editor都是中国福昕（Foxit）公司的产品。Foxit PDF Reader是一款PDF阅读器。Foxit PDF Editor是一款PDF编辑器。 Foxit PDF Editor和Foxit PDF Reader存在安全漏洞，该漏洞源于控制流管理不当，可能导致特制文档操作链在主线程上引起模态对话框重入，造成UI冻结和拒绝服务。
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 Editor | Versions 2026.1 and earlier | - | |
| Foxit Software Inc. | Foxit PDF Reader | Versions 2026.1 and earlier | - |
II. Public POCs for CVE-2026-5938
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Foxit Software Inc. · 2026-04-27 · 7 CVEs total
| CVE-2026-5941 | 7.8 HIGH | Foxit PDF Editor/Reader AcroForm Signature Remote Code Execution Vulnerability |
| CVE-2026-5943 | 7.8 HIGH | Foxit PDF Editor/Reader AcroForm Annotation Use-After-Free Remote Code Execution Vulnerabi |
| CVE-2026-5940 | 7.8 HIGH | Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability |
| CVE-2026-5939 | 5.5 MEDIUM | UAF in Foxit PDF Editor/Reader via XFA calculate event |
| CVE-2026-5937 | 5.5 MEDIUM | Foxit PDF Editor/Reader's insufficient parameter validation leads to denial-of-service vul |
| CVE-2026-5942 | 5.5 MEDIUM | Foxit PDF Editor/Reader AcroForm Signature Use-After-Free Vulnerability |
IV. Related Vulnerabilities
Same product: Foxit PDF Editor
- CVE-2026-5937
Foxit PDF Editor/Reader's insufficient parameter validation - 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 - CVE-2026-5939
UAF in Foxit PDF Editor/Reader via XFA calculate event
Same vendor: Foxit Software Inc.
- CVE-2026-5937
Foxit PDF Editor/Reader's insufficient parameter validation - 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 - CVE-2026-5939
UAF in Foxit PDF Editor/Reader via XFA calculate event
Same weakness: CWE-691
- CVE-2025-49463
Zoom Clients for iOS - Insufficient Control Flow Management - CVE-2025-47774
Vyper's `slice()` may elide side-effects when output length - CVE-2025-47285
Vyper's `concat()` builtin may elide side-effects for zero-l - CVE-2024-37158
Evmos is missing precompile checks - CVE-2023-5102
SICK APU RDT400 安全漏洞
V. Comments for CVE-2026-5938
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