libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000)
Remove you current v14 toolchain for 4.23
Re-download it through the ./SetupToolchain.sh
Navigate to the clang++ binary in the downloaded toolchain for x86-x64 and run ldd on it to ensure libtinfo is not a depends anymore
There's no existing public thread on this issue, so head over toAnswerHub just mention UE-79937 in the post.