Also I can confirm that regressing glibc 2.2.4-2 back to
2.2.4-1 eliminates the problem...
/var/lib/dpkg/info/mozilla-browser.postinst: line 29: 1724 Segmentation
fault regxpcom >/dev/null 2>/dev/null
...on ppc. I assume the same will be true for i386.
Jack