NA

CVE-2021-42521

Published: 25/08/2022 Updated: 07/11/2023
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 0

Vulnerability Summary

There is a NULL pointer dereference vulnerability in VTK prior to 9.2.5, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the return value of libxml2 API 'xmlDocGetRootElement', and try to dereference it. It is unsafe as the return value can be NULL and that NULL pointer dereference may crash the application.

Vulnerability Trend

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vtk vtk

Vendor Advisories

Debian Bug report logs - #1031877 vtk9: CVE-2021-42521 Package: src:vtk9; Maintainer for src:vtk9 is Debian Science Team <debian-science-maintainers@listsaliothdebianorg>; Reported by: Moritz Mühlenhoff <jmm@inutilorg> Date: Fri, 24 Feb 2023 16:12:04 UTC Severity: important Tags: security, upstream Forwarded ...