net-snmp CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

HIGH net-snmp CVE published 2026-09-11

CVE-2026-89147

CVE-2026-89147 is a high-severity denial-of-service vulnerability in the SMUX module of Net-SNMP through version 5.9.5.2. An unauthenticated remote client can exploit this vulnerability by connecting to the SMUX listener and sending no data, causing the single-threaded snmpd main loop to block indefinitely and suspend all SNMP processing. This could impact system operations and monitoring, and defenders s [truncated]