Ok sorry, this is only caused by the spell checker because of YouTube's text boxes.
Disabled spell checking (as told above) in Edit > Preferences > Languages > Spelling and no more crash. Thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. https://bugs.launchpad.net/bugs/723830 Title: seamonkey-2.0-bin assert failure: *** buffer overflow detected ***: /usr/lib/seamonkey-2.0.11/seamonkey-2.0-bin terminated -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs