Provide references for CVE-2021-31616.
Where can I find more information about CVE-2021-31616?
References are available at: https://github.com/keepkey/keepkey-firmware/releases/tag/v7.1.0, https://github.com/keepkey/keepkey-firmware/commit/e49d45594002d4d3fbc1f03488e6dfc0a0a65836, https://blog.inhq.net/posts/keepkey-CVE-2021-31616/, https://shapeshift.com/library/keepkey-important-update-issued-april-4-required.