Interestingly, removing /usr/lib/firefox-3.6.3/libnss3.so, then running ldconfig, then trying it again (to force firefox to use the system libnss3.so) does NOT fix the problem.
Interestingly, removing /usr/lib/ firefox- 3.6.3/libnss3. so, then running ldconfig, then trying it again (to force firefox to use the system libnss3.so) does NOT fix the problem.