/usr/share/pcb/pcblib-newlib/cts/ is in pcb-common 20140316-3.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/pcb/pcblib-newlib/cts/CTS_742C_04.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_742C_08.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_742C_16.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_742X_08.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_743C_04.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_743C_08.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_744C_04.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_744C_08.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_745C_10.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_745X_10.fp
/usr/share/pcb/pcblib-newlib/cts/CTS_746X_10.fp
/usr/share/pcb/pcblib-newlib/cts/index.html