Provide references for CVE-2021-42521.
Where can I find more information about CVE-2021-42521?
References are available at: https://gitlab.kitware.com/vtk/vtk/issues/17818, https://discourse.vtk.org/t/vtk-9-2-5-is-out/10549, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PCTMSAAVP4BW2HTZLDWMGKZ2WEC5OFLK/.