/usr/share/latex-cjk-common/ is in latex-cjk-thai 4.8.3+git20140831-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/latex-cjk-common/utils/
/usr/share/latex-cjk-common/utils/thaifont/
/usr/share/latex-cjk-common/utils/thaifont/tools/
/usr/share/latex-cjk-common/utils/thaifont/tools/INSTALL
/usr/share/latex-cjk-common/utils/thaifont/tools/c90.etx
/usr/share/latex-cjk-common/utils/thaifont/tools/c90.mtx
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/config.dbtt-old
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/dbtt-old-alias.etx
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/dbtt-old-alias.mtx
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/dbtt-old-alias.tex
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/dbtt-old.fontinst
/usr/share/latex-cjk-common/utils/thaifont/tools/dbtt-old/dbtt-old.map
/usr/share/latex-cjk-common/utils/thaifont/tools/garuda-c90.fontinst
/usr/share/latex-cjk-common/utils/thaifont/tools/norasi-c90.fontinst