Considering this recent Reddit post well documented, is there still an older problem unaddressed/unresolved?

https://www.reddit.com/r/ledgerwallet/s/tgjxxrYukj

https://saleemrashid.com/2018/03/20/breaking-ledger-security-model/

I'm finding 2017 and 2018 articles and at the end of his timeline there is mention of ledger blue with no resolution...

Could these attack vectors and exploits still be lingering?