Mozilla Thuderbird is not working on my Debian Sarge since the last 'apt-get dist-upgrade'. The program recieves SIGSEGV. This is really annoying. Here is the backtrace from GDB.

(gdb) backtrace
#0  0x41287040 in CalcLength ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#1  0x41287279 in CalcLength ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#2  0x4128df42 in nsRuleNode::ComputePaddingData ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#3  0x41289788 in nsRuleNode::WalkRuleTree ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#4  0x412889b8 in nsRuleNode::GetPaddingData ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#5  0x41290b00 in nsRuleNode::GetStyleData ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#6  0x088ef314 in ?? ()
#7  0xbfffd6cc in ?? ()
#8  0x414fa910 in ?? ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
#9  0x088ef314 in ?? ()
#10 0x0890023c in ?? ()
#11 0xbfffd6d8 in ?? ()
#12 0x4129fa72 in nsStyleContext::GetStyleData ()
   from /usr/lib/mozilla-thunderbird/components/libgklayout.so
Previous frame inner to this frame (corrupt stack?)

I am breaking my head to fix this. This is going to spoil my weekend move. I hate problems at weekend. Any help/suggestions welcome.