Created attachment 242613 [details]
backtrace (release build)
Moving this one from downstream . WebKitGTK+ 2.6.3 likes to crash on various web sites, including cnn.com. It doesn't happen often; maybe 10% of the time or less.
I see children_changed_event_listener so I guess this is probably bug #142309.
*** This bug has been marked as a duplicate of bug 142309 ***