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TI-2026-82704 Aliases CVE-2026-8822GHSA-h3c7-h65p-r333

Buffer overflow in vtk vtkDEMReader via crafted USGS DEM files

Priority LOW 39CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

The vtkDEMReader ReadProfiles function in vtk 9.6.1 contains a memory corruption flaw (CWE-787). A specially crafted USGS DEM file causes a buffer overflow when it is read. An attacker can supply the malicious file over the network without privileges or user interaction, and the impact is to availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

A memory corruption vulnerability exists in the vtkDEMReader ReadProfiles functionality of vtk (version(s): 9.6.1). A specially crafted USGS DEM can lead to a buffer overflow. 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 0.00307 23rd 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
Yes
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
vtkvtk9.6.1—No fix listedCNA
  • vtk Vendorvtk Affected 9.6.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for vtk.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-8822
  2. 2026-10-29 Alias added: GHSA-h3c7-h65p-r333
  3. 2026-10-30 Affected versions changed · Red Hat
  4. 2026-10-30 CVSS score added · Red Hat
  5. 2026-10-30 CISA SSVC decision points changed
  6. 2026-10-30 Priority changed: MEDIUM → LOW

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