You should provide a debug backtrace of the crash. Execute in a shell:
$ /usr/bin/firefox -g
This should start firefox in the gdb debugger. Then enter
(gdb) run
and wait for the crash. Then enter
(gdb) backtrace
and add the generated trace to this bug report
It is not pcscd but, maybe, libpcsclite.so.1.
You should provide a debug backtrace of the crash. Execute in a shell:
$ /usr/bin/firefox -g
This should start firefox in the gdb debugger. Then enter
(gdb) run
and wait for the crash. Then enter
(gdb) backtrace
and add the generated trace to this bug report