Cisco Catalyst 2900XL crashes with empty UDP packet when SNMP is disabled.

Hi It's possible to crash Cisco Catalyst 2900XL with a empty UDP packet to port 161 when SNMP is disabled. Other switches also? The crash only occurs when the switch is booted with SNMP disabled. Seems that SNMP is listening, even if SNMP is disabled.. ? I have only tested this with Software...