CVE-2026-4739 PUBLISHED

Integer overflow vulnerabilities in InsightSoftwareConsortium/ITK

Assigner: GovTech CSG
Reserved: 24.03.2026 Published: 24.03.2026 Updated: 24.03.2026

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

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 9.4

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	None	Availability	High	Availability	High
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	InsightSoftwareConsortium
Product	ITK
Versions	Default: affected affected from 0 to 2.7.1 (excl.)

Credits

TITAN Team (titancaproject@gmail.com) reporter

References

https://github.com/InsightSoftwareConsortium/ITK/pull/5351

Problem Types

CWE-190 Integer Overflow or Wraparound CWE