net-snmp is a SNMP application library, tools and daemon. Prior to versions 5.9.5 and 5.10.pre2, a specially crafted packet to an net-snmp snmptrapd daemon can cause a buffer overflow and the daemon to crash. This issue has been patched in versions 5.9.5 and 5.10.pre2.
https://lists.debian.org/debian-lts-announce/2026/01/msg00000.html
https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq