handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.
https://www.cisa.gov/news-events/ics-advisories/icsa-24-165-10
https://security.netapp.com/advisory/ntap-20230223-0011/
https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html
https://github.com/net-snmp/net-snmp/issues/475
https://gist.github.com/menglong2234/d07a65b5028145c9f4e1d1db8c4c202f