The fix is included in 10.4.1 (and above)
DE374972 Details:
SS memory leak causes the SS to crash 1x per month.
(DE374972, 01139110)
Due to the major code changes needed and long time to test these code changes, this resolution is not being ported back to 10.3 or 10.4.0. You will need to install/upgrade to 10.4.1 once released.