Other commenters have indicated this happens in other browsers to and the OP specifically pointed out the leak is in Unity not Firefox as such marking this incomplete for Firefox unless someone can substantiate that this is really a Firefox bug which is unlikely.
** 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/987060 Title: massive memory leak in unity-panel-service and hud-service when invoking the hud on Firefox profiles with large amounts of bookmarks LTS 12.04 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/hud/+bug/987060/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs