Thank you for the bug report. Could you please install the firefox-dbg package and try to obtain a backtrace (or crash report) by following the instructions on https://wiki.ubuntu.com/MozillaTeam/Bugs This will greatly aid us in tracking down your problem.
Which flash package do you have installed? Which Java package do you have installed? Which firefox extensions do you have installed? Are you running mplayer-plugin or totem? -- Firefox crashes when playing a video from cnn.com https://launchpad.net/bugs/77363 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs