I can also confirm that the update Firefox package 1.5.dfsg+1.5.0.9-0ubuntu0.6.06.1 fixes the crashes on various sites including yahoo mail.
Many thanks Ewen. -- Dapper: Regression: Firefox 1.5.0.9: Saved passwords causes crash with Mailman admin https://launchpad.net/bugs/77859 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs