heap-buffer-overflow in agentx parse string

heap-buffer-overflow in agentx parse string: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). AddressSanitizer: heap-buffer-overflow in function agentx parse string in file net-snmp/agent/mibgroup/agentx/protocol.c