Evolution crashes when trying to sync from Groupwise server

Backtrace:

#0 0x00002b0184038b50 in strlen () from /lib/libc.so.6
#1 0x00002b018a2ed133 in soup_base64_decode () from /usr/lib/libsoup-2.2.so.8
#2 0x00002aaaaacd7868 in ?? ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelgroupwise.so
#3 0x00002aaaaacd8a82 in ?? ()
   from /usr/lib/evolution-data-server-1.2/camel-providers-10/libcamelgroupwise.so
#4 0x00002b017b3cafcb in camel_folder_get_message ()
   from /usr/lib/libcamel-provider-1.2.so.10
#5 0x00002b017b3d1d16 in ?? () from /usr/lib/libcamel-provider-1.2.so.10
#6 0x00002b017b3d25fd in camel_offline_store_set_network_state ()
   from /usr/lib/libcamel-provider-1.2.so.10
#7 0x00002b0189bdcb21 in ?? ()
   from /usr/lib/evolution/2.12/components/libevolution-mail.so
#8 0x00002b017c81db16 in ?? () from /usr/lib/libedataserver-1.2.so.9
#9 0x00002b017c32c317 in start_thread () from /lib/libpthread.so.0
#10 0x00002b0184093ccd in clone () from /lib/libc.so.6
#11 0x0000000000000000 in ?? ()

Thanks for your bug report. Please try to obtain a debug backtrace http://wiki.ubuntu.com/DebuggingProgramCrash and attach the file to the bug report. This will greatly help us in tracking down your problem.

Here it is.

The crash looks similar to http://bugzilla.gnome.org/show_bug.cgi?id=478879. Could you get a debug backtrace or let apport send the bug so it can be automatically retraced?

We are closing this bug report as it lacks the information, described in the previous comments, we need to investigate the problem further. However, please reopen it if you can give us the missing information and don't hesitate to submit bug reports in the future.