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CVE-2026-4739
Integer overflow vulnerabilities in InsightSoftwareConsortium/ITK
Critical9.4EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- GovTech CSG
Description
Integer Overflow or Wraparound vulnerability in InsightSoftwareConsortium ITK (Modules/ThirdParty/Expat/src/expat modules).This issue affects ITK: before 2.7.1.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GovTech CSGCNA (assigner) | 4.0 | Critical9.4 | 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 |
| NVDNVD · Deferred | 4.0 | Critical9.4 | 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:C/RE:M/U:Amber |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.4.
Weakness
Affected products
InsightSoftwareConsortium · ITK
- affected < 2.7.1
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-4739)Record last updated .