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CVE-2026-4739— Integer overflow vulnerabilities in InsightSoftwareConsortium/ITK

Quick assessment

Affected
InsightSoftwareConsortium ITK
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.

ITK是Insight Software Consortium开源的一个跨平台科学图像处理与分割工具包。 ITK 2.7.1之前版本存在安全漏洞，该漏洞源于整数溢出或环绕错误。

AI Predicted 7.5 Difficulty: Easy EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4739

Vulnerability Information
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Vulnerability Title
Integer overflow vulnerabilities in InsightSoftwareConsortium/ITK
Source: CVE Program / CVE List V5
Vulnerability Description
Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (‎Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:P/AU:Y/R:U/V:C/RE:M/U:Amber
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
ITK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ITK是Insight Software Consortium开源的一个跨平台科学图像处理与分割工具包。 ITK 2.7.1之前版本存在安全漏洞，该漏洞源于整数溢出或环绕错误。
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
InsightSoftwareConsortium ITK 0 ~ 2.7.1 -

II. Public POCs for CVE-2026-4739

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III. Intelligence Information for CVE-2026-4739

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Patches & Fixes for CVE-2026-4739 (1)

IV. Related Vulnerabilities

Same weakness: CWE-190

V. Comments for CVE-2026-4739

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