ovalarmsrv in HP OpenView Network Node Manager (OV NNM) 7.51, 7.53, and possibly other versions allows remote attackers to cause a denial of service (crash) via certain requests that specify a large number of sub-arguments, which triggers a NULL pointer dereference due to memory allocation failure.
| Software | From | Fixed in |
|---|---|---|
| hp / openview_network_node_manager | 7.51 | 7.51.x |
| hp / openview_network_node_manager | 7.53 | 7.53.x |