In my case the message was about the Tahoma font, which I had just installed. I changed the permissions on the tahoma fonts to -rw-r--r-, and firefox stopped crashing.
-- firefox crash on loading website w MS Core Fonts https://bugs.launchpad.net/bugs/152609 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs