Description of problem:
The version of libthai in RHEL-7 is 0.1.14-9.el7. The current version available is not thread safe, an improvement that was made in 2015.
The most recent version for other distributions is libthai-0.1.28-2.
Version-Release number of selected component (if applicable):
check version of libthai rpm
RHEL8 has libthai-0.1.27