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CVE-2026-57255— Security vulnerability in Foxit PDF Editor/Reader — OOB Read via NaN-Bypass Clamp

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 2026.1.1及之前版本、14.0.4及之前版本、13.2.4及之前版本存在缓冲区错误漏洞，该漏洞源于PDF文件包含异常色彩空间，其属性引用有效但语义畸形函数，函数输出未验证，导致后续读取时产生非法指针越界访问，造成应用程序崩溃。

CVSS 6.1 · Medium EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

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-2026-57255

Vulnerability Information
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Vulnerability Title
Security vulnerability in Foxit PDF Editor/Reader — OOB Read via NaN-Bypass Clamp
Source: CVE Program / CVE List V5
Vulnerability Description
The application opens a PDF containing an abnormal color space whose attributes reference a valid but semantically malformed function. The function's output is not validated; when subsequently read, it produces an illegal pointer that accesses an out-of-bounds region, crashing the application.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
Foxit PDF Editor 缓冲区错误漏洞
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 2026.1.1及之前版本、14.0.4及之前版本、13.2.4及之前版本存在缓冲区错误漏洞，该漏洞源于PDF文件包含异常色彩空间，其属性引用有效但语义畸形函数，函数输出未验证，导致后续读取时产生非法指针越界访问，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-2026-57255

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III. Intelligence Information for CVE-2026-57255

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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-2026-57251 7.8 HIGH Foxit PDF Editor/Reader Cloud Appearance 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

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-125

V. Comments for CVE-2026-57255

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