---
id: CVE-2026-22879
title: >-
  A heap-based buffer overflow vulnerability exists in the
  vtkDICOMItem::FindDataElementOrInsert functionality of vtk-dicom (version(s):
  9.5.2)
summary: >-
  A heap-based buffer overflow vulnerability exists in the
  vtkDICOMItem::FindDataElementOrInsert functionality of vtk-dicom (version(s):
  9.5.2). A specially crafted DICOM file can lead to heap-based memory
  corruption. An attacker can provi…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-129
vendor: vtk
product: vtk
affected:
  - vtk 9.5.2
published: '2026-06-25'
updated: '2026-09-23'
sourceUpdated: '2026-09-23T11:17:10.433'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-22879'
references:
  - url: 'https://talosintelligence.com/vulnerability_reports/TALOS-2026-2366'
    label: talos-cna@cisco.com
  - url: 'https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2366'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-06-26T13:35:46.846800Z'
epss: 0.00491
epssPercentile: 0.39603
ingestedAt: '2026-09-23T11:22:32.903Z'
---

## Overview

A heap-based buffer overflow vulnerability exists in the vtkDICOMItem::FindDataElementOrInsert functionality of vtk-dicom (version(s): 9.5.2). A specially crafted DICOM file can lead to heap-based memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.