CVE-2026-22879
Received Received - Intake
Heap-based Buffer Overflow in VTK vtk-dicom

Publication date: 2026-06-25

Last updated on: 2026-06-26

Assigner: Talos

Description
vtk vtk-dicom vtkDICOMItem::NewDataElement heap-based buffer overflow vulnerability
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Meta Information
Published
2026-06-25
Last Modified
2026-06-26
Generated
2026-06-26
AI Q&A
2026-06-26
EPSS Evaluated
N/A
NVD
CVE-2026-22879
EUVD
EUVD-2026-39582
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
vtk vtk *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-129 The product uses untrusted input when calculating or using an array index, but the product does not validate or incorrectly validates the index to ensure the index references a valid position within the array.
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Executive Summary

This vulnerability is a heap-based buffer overflow in the vtkDICOMItem::NewDataElement function of the vtk-dicom component in vtk. A buffer overflow occurs when more data is written to a buffer than it can hold, potentially leading to memory corruption.

Impact Analysis

The vulnerability has a high severity with a CVSS base score of 8.1, indicating it can have a significant impact. It can lead to complete compromise of confidentiality, integrity, and availability of the affected system since it allows remote attackers to execute code or cause denial of service due to the heap-based buffer overflow.

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