I note that you are using the DownloadHelper extension. A memory leak has been fixed in DownloadHelper 4.9.6. Can you update and test?
** Changed in: firefox (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/874709 Title: Firefox memory leak To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/874709/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs