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PRIOn knowledge basePRION:CVE-2021-42521HistoryAug 25, 2022 - 6:15 p.m.
Null pointer dereference
2022-08-2518:15:00
PRIOn knowledge base
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3
0.002 Low
EPSS
Percentile
51.5%
There is a NULL pointer dereference vulnerability in VTK before 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.
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