CVE-2008-1852: HP OpenView Network Node Manager

High severity, CVSS 7.8. EPSS: 4.7% chance of exploitation in the next 30 days.

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.

Affected products

• HP OpenView Network Node Manager: version 7.51 only; version 7.53 only

Published 2008-04-16. Last modified 2026-06-16.