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CVE-2026-57251— Foxit PDF Editor/Reader Cloud Appearance Buffer Overflow Vulnerability

Quick assessment

Affected
Foxit Software Inc. Foxit PDF Editor
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 editor是中国Foxit公司的一款PDF编辑软件。 Foxit PDF Editor存在输入验证错误漏洞，该漏洞源于打开PDF时构建过程缺少上限和一致性检查，导致越界访问底层数组，最终造成应用程序崩溃。

CVSS 7.8 · High EPSS 0.17% · P6

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
Foxit Software Inc. Foxit PDF Editor Versions 2026.1.1 and earlier affected
Versions 14.0.4 and earlier affected
Versions 13.2.4 and earlier affected
Foxit Software Inc. Foxit PDF Reader Versions 2026.1.1 and earlier affected
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I. Basic Information for CVE-2026-57251

Vulnerability Information
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Vulnerability Title
Foxit PDF Editor/Reader Cloud Appearance Buffer Overflow Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
The application opens a PDF, but the cloud-like appearance of the construction process lacks proper setting of an upper limit and consistency checks. Out-of-bounds access to the underlying array is exposed, ultimately leading to a crash of the application.
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
对数组索引的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Foxit PDF Editor 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit pdf editor是中国Foxit公司的一款PDF编辑软件。 Foxit PDF Editor存在输入验证错误漏洞，该漏洞源于打开PDF时构建过程缺少上限和一致性检查，导致越界访问底层数组，最终造成应用程序崩溃。
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 2026.1.1 and earlier -
Foxit Software Inc. Foxit PDF Reader Versions 2026.1.1 and earlier -

II. Public POCs for CVE-2026-57251

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III. Intelligence Information for CVE-2026-57251

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Same Patch Batch · Foxit Software Inc. · 2026-07-08 · 28 CVEs total

CVE-2026-57239 8.2 HIGH Foxit PDF Editor/Reader Local Privilege Escalation
CVE-2026-57245 7.8 HIGH Foxit PDF Editor/Reader Signature Hyperlink Use-After-Free Vulnerability
CVE-2026-13127 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2026-13129 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2026-13128 7.8 HIGH Foxit PDF Editor/Reader Doc Object Use-After-Free Remote Code Execution Vulnerability
CVE-2026-13126 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2026-57242 7.8 HIGH Foxit PDF Editor/Reader Page Use-After-Free Vulnerability
CVE-2026-57240 7.8 HIGH Foxit PDF Editor/Reader Form Field Use-After-Free Remote Code Execution Vulnerability
CVE-2026-57254 7.8 HIGH Foxit PDF Editor/Reader Annotation Type Confusion Vulnerability
CVE-2026-57250 7.8 HIGH Foxit PDF Editor/Reader Form Field Use-After-Free Vulnerability
CVE-2026-57252 7.8 HIGH Foxit PDF Editor/Reader AcroForm Use-After-Free Remote Code Execution Vulnerability
CVE-2026-57248 7.8 HIGH Foxit PDF Editor/Reader Annotation Improper Release Vulnerability
CVE-2026-57247 7.8 HIGH Foxit PDF Editor/Reader Field Use-After-Free Vulnerability
CVE-2026-57249 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Vulnerability
CVE-2026-57244 7.8 HIGH Foxit PDF Editor/Reader Form Control Use-After-Free Vulnerability
CVE-2026-57246 7.8 HIGH Foxit PDF Editor/Reader Signature Buffer Overflow Vulnerability
CVE-2026-57237 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2026-57260 7.8 HIGH Security vulnerability in Foxit PDF Editor/Reader — U3D Adobe Mesh Decompression (Type Con
CVE-2026-57238 7.8 HIGH Foxit PDF Editor/Reader Annotation Use-After-Free Remote Code Execution Vulnerability
CVE-2026-57256 7.8 HIGH Foxit Editor/Reader List Box Format Use-After-Free Vulnerability

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Foxit PDF Editor
Same vendor: Foxit Software Inc.
Same weakness: CWE-129

V. Comments for CVE-2026-57251

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