Description of problem:
I subscribed to two more NNTP groups and then added them to a vfolder.

Version-Release number of selected component:
evolution-3.8.5-2.fc19

Additional info:
reporter:       libreport-2.1.10
backtrace_rating: 4
cmdline:        evolution
crash_function: memcpy
executable:     /usr/bin/evolution
kernel:         3.11.9-200.fc19.x86_64
runlevel:       N 5
type:           CCpp
uid:            1001

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 memcpy at /lib64/libc.so.6
 #2 nntp_stream_fill at camel-nntp-stream.c:79
 #3 camel_nntp_stream_line at camel-nntp-stream.c:293
 #4 add_range_xover at camel-nntp-summary.c:230
 #5 camel_nntp_summary_check at camel-nntp-summary.c:529
 #6 camel_nntp_folder_selected at camel-nntp-folder.c:161
 #7 camel_nntp_command at camel-nntp-store.c:2246
 #8 nntp_folder_refresh_info_online at camel-nntp-folder.c:199
 #9 disco_refresh_info_sync at camel-disco-folder.c:316
 #10 camel_folder_refresh_info_sync at camel-folder.c:4147