CVE-2026-4739

Critical

Description

Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (‎Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.

SeverityCritical
CVSS9.4
Exploit probability—
ProductITK
PublishedMar 24, 2026
First seenMar 24, 2026

How to fix

Update
  • InsightSoftwareConsortium ITK2.7.1 or later

Affected products

ProductAffected versionsFixed in
InsightSoftwareConsortium ITKv < 2.7.12.7.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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