CVE-2026-8822

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{"bugzilla": {"description": "vtk: vtk: Denial of Service via buffer overflow in vtkDEMReader", "id": "2563631", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2563631"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["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.", "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)."], "name": "CVE-2026-8822", "public_date": "2026-10-29T18:16:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-8822\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-8822\nhttps://talosintelligence.com/vulnerability_reports/TALOS-2026-2421\nhttps://vtk.org/download/"], "statement": "This vulnerability is rated Moderate rather than Important because successful exploitation requires local user interaction to process an untrusted Digital Elevation Model dataset, and the resulting blast radius is confined to application termination without threatening data confidentiality or system integrity. VTK is not packaged in supported Red Hat Enterprise Linux releases, being distributed solely through community channels such as EPEL. Impact is therefore limited to environments where users intentionally ingest third-party elevation files into local visualization workflows.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "9.6.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vtk", "source": "cna", "vendor": "vtk"}, "product": "vtk", "vendor": "vtk"}], "created": "2026-10-29T20:00:26.677800+00:00", "title": "Buffer Overflow in vtkDEMReader via Malicious USGS DEM File", "updated": "2026-10-29T20:45:14.656669+00:00", "vendors": ["vtk", "vtk$PRODUCT$vtk"]}