CVE-2026-3774— Self-Modifications Affecting Altered Printing and Redaction in Foxit PDF Editor
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I. Basic Information for CVE-2026-3774
Vulnerability Information
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Vulnerability Title
Self-Modifications Affecting Altered Printing and Redaction in Foxit PDF Editor
Source: NVD (National Vulnerability Database)
Vulnerability Description
The application allows PDF JavaScript and document/print actions (such as WillPrint/DidPrint) to update form fields, annotations, or optional content groups (OCGs) immediately before or after redaction, encryption, or printing. These script‑driven updates are not fully covered by the existing redaction, encryption, and printing logic, which, under specific document structures and user workflows, may cause a small amount of sensitive content to remain unremoved or unencrypted as expected, or result in printed output that slightly differs from what was reviewed on screen.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
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 Reader和Foxit PDF Editor存在安全漏洞，该漏洞源于PDF JavaScript和文档/打印操作可在涂改、加密或打印前后更新表单字段、注释或可选内容组，可能导致少量敏感内容未被移除或加密，或导致打印输出与屏幕审查内容略有不同。
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 2025.3 and earlier | - |
II. Public POCs for CVE-2026-3774
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Same Patch Batch · Foxit Software Inc. · 2026-04-01 · 8 CVEs total
| CVE-2026-3775 | 7.8 HIGH | Foxit PDF Editor/Reader Update Service Uncontrolled Search Path Element Local Privilege Es |
| CVE-2026-3779 | 7.8 HIGH | Foxit PDF Editor/Reader List Box Calculate Array Use-After-Free Vulnerability |
| CVE-2026-3780 | 7.3 HIGH | Foxit PDF Editor/Reader Installer Uncontrolled Search Path Privilege Escalation |
| CVE-2026-4947 | 7.1 HIGH | Insecure Direct Object Reference (IDOR) Leading to Signature Forgery in Foxit eSign |
| CVE-2026-3778 | 6.2 MEDIUM | Stack exhaustion caused by cyclic references in Foxit PDF Editor/Reader |
| CVE-2026-3776 | 5.5 MEDIUM | Null pointer dereference in Foxit PDF Editor/Reader when accessing stamp annotation |
| CVE-2026-3777 | 5.5 MEDIUM | Use after free of view cache in Foxit PDF Editor/Reader |
IV. Related Vulnerabilities
Same product: Foxit PDF Editor
- 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
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
Same weakness: CWE-200
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quarkus-openapi-generator has overly broad path-parameter ma - CVE-2026-8198
Activity Logs, User Activity Tracking, Multisite Activity Lo - CVE-2026-42456
AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (ID - CVE-2026-41520
Cillium exposes sensitive information included in the cilium - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro
V. Comments for CVE-2026-3774
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