The vulnerability of the smux_accept() function in the SMUX module of the SNMP deployment and usage software Net-SNMP allows a attacker to cause a service failure.

The vulnerability of the smuxaccept function in the SMUX software module for SNMP protocol implementation and deployment is related to simultaneous access to a remote resource without a timeout mechanism. Exploiting this vulnerability could allow a malicious actor to cause service failure...

AZL-101742 CVE-2026-89147 affecting package net-snmp 5.9.5.2-1

Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smuxaccept performs an unauthenticated blocking read without timeout on newly accepted connections. An unauthenticated remote client can connect to the SMUX listener and send no data, causing the...

CVE-2026-89147 Net-SNMP through 5.9.5.2 Denial of Service via Blocking Unauthenticated SMUX Read

Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smuxaccept performs an unauthenticated blocking read without timeout on newly accepted connections. An unauthenticated remote client can connect to the SMUX listener and send no data, causing the...

CVE-2026-89147: Synchronous Access of Remote Resource without Timeout

Net-SNMP through 5.9.5.2 contains a denial of service vulnerability in the SMUX module where smuxaccept performs an unauthenticated blocking read without timeout on newly accepted connections. An unauthenticated remote client can connect to the SMUX listener and send no data, causing the...