Bug 2563631 (CVE-2026-8822)

Summary: CVE-2026-8822 vtk: vtk: Denial of Service via buffer overflow in vtkDEMReader
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the vtkDEMReader component of VTK. By processing a specially crafted Digital Elevation Model (DEM) file in the ReadProfiles function, an attacker can trigger a buffer overflow. This vulnerability leads to memory corruption, resulting in an application crash and a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2567273, 2567274, 2567275, 2567276, 2567277, 2567278, 2567279, 2567280, 2567281    
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Description OSIDB Bzimport 2026-10-29 18:54:06 UTC
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.