abrt 1.0.0 detected a crash.

How to reproduce
-----
1.have enabled foxy proxy extension 2.1.6.1 & run firefox
2.
3.

Comment
-----
I installed debug packages & did stack: 
gdb /usr/lib/firefox-3.5.6/firefox
run
bt

Program received signal SIGSEGV, Segmentation fault.
nsAlertsIconListener::SendClosed (this=0xb54c2400) at nsAlertsIconListener.cpp:263
263       mAlertListener->Observe(NULL, "alertfinished", mAlertCookie.get());
(gdb) bt
#0  nsAlertsIconListener::SendClosed (this=0xb54c2400) at nsAlertsIconListener.cpp:263
#1  0x0025ba13 in notify_closed_cb (notification=<value optimized out>, user_data=<value optimized out>) at nsAlertsIconListener.cpp:66
#2  0x008eb2d4 in IA__g_cclosure_marshal_VOID__VOID (closure=<value optimized out>, return_value=<value optimized out>, n_param_values=<value optimized out>,
    param_values=<value optimized out>, invocation_hint=<value optimized out>, marshal_data=<value optimized out>) at gmarshal.c:77
#3  0x008dd5b3 in IA__g_closure_invoke (closure=<value optimized out>, return_value=<value optimized out>, n_param_values=<value optimized out>, param_values=<value optimized out>,
    invocation_hint=<value optimized out>) at gclosure.c:767
#4  0x008f3118 in signal_emit_unlocked_R (node=<value optimized out>, detail=<value optimized out>, instance=<value optimized out>, emission_return=<value optimized out>,
    instance_and_params=<value optimized out>) at gsignal.c:3247
#5  0x008f447d in IA__g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2980
#6  0x008f4907 in IA__g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at gsignal.c:3037
#7  0x03594e4b in _close_signal_handler (proxy=<value optimized out>, id=<value optimized out>, reason=<value optimized out>, notification=<value optimized out>) at notification.c:740
#8  0x0359772f in notify_marshal_VOID__UINT_UINT (closure=<value optimized out>, return_value=<value optimized out>, n_param_values=<value optimized out>,
    param_values=<value optimized out>, invocation_hint=<value optimized out>, marshal_data=<value optimized out>) at notify-marshal.c:81
#9  0x0338ab5c in marshal_dbus_message_to_g_marshaller (closure=0xb53f79c0, return_value=0x0, n_param_values=3, param_values=0xa98ed580, invocation_hint=0xbfffa390, marshal_data=0x0)
    at dbus-gproxy.c:1681
#10 0x008dd5b3 in IA__g_closure_invoke (closure=<value optimized out>, return_value=<value optimized out>, n_param_values=<value optimized out>, param_values=<value optimized out>,
    invocation_hint=<value optimized out>) at gclosure.c:767
#11 0x008f3118 in signal_emit_unlocked_R (node=<value optimized out>, detail=<value optimized out>, instance=<value optimized out>, emission_return=<value optimized out>,
    instance_and_params=<value optimized out>) at gsignal.c:3247
#12 0x008f447d in IA__g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>)
    at gsignal.c:2980
#13 0x008f4907 in IA__g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at gsignal.c:3037
#14 0x0338bd3d in dbus_g_proxy_emit_remote_signal (message=<value optimized out>, proxy=<value optimized out>) at dbus-gproxy.c:1734
#15 dbus_g_proxy_manager_filter (message=<value optimized out>, proxy=<value optimized out>) at dbus-gproxy.c:1301
#16 0x00acd0fb in dbus_connection_dispatch (connection=<value optimized out>) at dbus-connection.c:4444
#17 0x0338220e in message_queue_dispatch (source=0xb54c2fc0, callback=0, user_data=0x0) at dbus-gmain.c:101
#18 0x007f2128 in g_main_dispatch (context=<value optimized out>) at gmain.c:1960
#19 IA__g_main_context_dispatch (context=<value optimized out>) at gmain.c:2513
#20 0x007f5a58 in g_main_context_iterate (context=<value optimized out>, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:2591
#21 0x007f5b84 in IA__g_main_context_iteration (context=0xb7c4e580, may_block=<value optimized out>) at gmain.c:2654
#22 0x059c45cd in nsAppShell::ProcessNextNativeEvent (this=<value optimized out>, mayWait=<value optimized out>) at nsAppShell.cpp:147
#23 0x059dada4 in nsBaseAppShell::DoProcessNextNativeEvent (this=<value optimized out>, mayWait=<value optimized out>) at nsBaseAppShell.cpp:151
#24 0x059daf49 in nsBaseAppShell::OnProcessNextEvent (this=<value optimized out>, thr=<value optimized out>, mayWait=1, recursionDepth=<value optimized out>) at nsBaseAppShell.cpp:296
#25 0x05a9e9cc in nsThread::ProcessNextEvent (this=<value optimized out>, mayWait=<value optimized out>, result=<value optimized out>) at nsThread.cpp:508
#26 0x05a6a796 in NS_ProcessNextEvent_P (thread=<value optimized out>, mayWait=<value optimized out>) at nsThreadUtils.cpp:247
#27 0x059db056 in nsBaseAppShell::Run (this=<value optimized out>) at nsBaseAppShell.cpp:170
#28 0x05876507 in nsAppStartup::Run (this=<value optimized out>) at nsAppStartup.cpp:193
#29 0x051665c2 in XRE_main (argc=<value optimized out>, argv=<value optimized out>, aAppData=<value optimized out>) at nsAppRunner.cpp:3321
#30 0x08049e7c in main (argc=<value optimized out>, argv=0xbfffefb4) at nsXULStub.cpp:482
(gdb)

Attached file: backtrace
cmdline: /usr/lib/firefox-3.5.6/firefox
component: firefox
executable: /usr/lib/firefox-3.5.6/firefox
kernel: 2.6.31.6-166.fc12.i686
package: firefox-3.5.6-1.fc12
rating: 4
reason: Process was terminated by signal 11