In OpenEXR 2.2.0, an invalid read of size 2 in the hufDecode function in ImfHuf.cpp could cause the application to crash.
https://usn.ubuntu.com/4148-1/
https://lists.debian.org/debian-lts-announce/2020/08/msg00056.html
https://github.com/openexr/openexr/releases/tag/v2.2.1
https://github.com/openexr/openexr/pull/233