Improper array index validation in vtk
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
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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22879
- 2026-10-03 Alias added: GHSA-prp5-qv62-frpc
References
More vtk vulnerabilities
- 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
Sources
- CVE-2026-22879 · CVE Program
- CVE-2026-22879 · NVD
- FIRST EPSS
- GHSA-prp5-qv62-frpc · GitHub Advisory Database · CC BY 4.0
- CVE-2026-22879 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences