Comment 9 for bug 291843

I'm having this same problem. Phew, I thought I was the only one. Here's the full report: http://pastie.org/312856
And here some (I think) important lines:

*** glibc detected *** /usr/lib/firefox-3.0.3/firefox: double free or corruption (!prev): 0x00007fec8c0ff090 ***
7fec8b555000-7fec8b588000 r--p 00000000 08:07 213855 /usr/share/fonts/truetype/msttcorefonts/Arial_Italic.ttf
7fec8b588000-7fec8b5d2000 r--p 00000000 08:07 213863 /usr/share/fonts/truetype/msttcorefonts/Courier_New.ttf