Vulnerability in Vtk

CVE-2026-22879

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (39.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-22879: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Vtk — versions 9.5.2

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-22879?
CVE-2026-22879 is a high-severity vulnerability in Vtk, classified under Improper Validation of Array Index. CVSS score: 8.1/10. Published 2026-06-25.
How severe is CVE-2026-22879?
High severity. CVSS v3 base score is 8.1 out of 10.