CVE-2008-4309: Net-SNMP

High severity, CVSS 7.5. EPSS: 5% chance of exploitation in the next 30 days.

Integer overflow in the netsnmp_create_subtree_cache function in agent/snmp_agent.c in net-snmp 5.4 before 5.4.2.1, 5.3 before 5.3.2.3, and 5.2 before 5.2.5.1 allows remote attackers to cause a denial of service (crash) via a crafted SNMP GETBULK request, which triggers a heap-based buffer overflow, related to the number of responses or repeats.

Affected products

• Net-SNMP Net-SNMP: version 5.2.5 only; version 5.3.2.2 only; version 5.4 only

Published 2008-10-31. Last modified 2026-06-16.