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TI-2026-18370 Aliases CVE-2026-22879GHSA-prp5-qv62-frpc

Improper array index validation in vtk

Priority LOW 38CWE-129Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-129 and the CVSS impact.

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 provide a malicious file to trigger this vulnerability.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00491 42nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
vtkvtk9.5.2—No fix listedCNA
  • vtk Vendorvtk Affected 9.5.2 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-22879
  2. 2026-10-03 Alias added: GHSA-prp5-qv62-frpc

References

  • TI-2025-35446 Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap use-after-free… CVSS 3.1CRITICAL 9.8
  • TI-2025-35445 Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap buffer overflow… CVSS 3.1HIGH 7.1
  • TI-2026-82706 Out-of-bounds read in vtkChacoReader InputGraph2 in VTK CVSS 3.1HIGH 8.2
  • TI-2026-82709 Invalid pointer dereference in VTK PNG reader causes denial of service CVSS 3.1HIGH 7.5
  • TI-2026-82708 Invalid pointer dereference in VTK PNG reader causes denial of service CVSS 3.1HIGH 7.5
  • TI-2026-82707 Heap-based buffer overflow in VTK vtkWindBladeReader CVSS 3.1HIGH 7.5
See all 10 →

Sources