USN-8997-1: Net-SNMP vulnerability

Publication date

4 November 2026

Overview

Net-SNMP could be made to stop responding if it received specially crafted network traffic.


Packages

  • net-snmp - SNMP (Simple Network Management Protocol) server and applications

Details

It was discovered that Net-SNMP incorrectly handled newly accepted
connections in the SMUX module. An unauthenticated remote attacker could
possibly use this issue to cause Net-SNMP to block indefinitely,
resulting in a denial of service.

It was discovered that Net-SNMP incorrectly handled newly accepted
connections in the SMUX module. An unauthenticated remote attacker could
possibly use this issue to cause Net-SNMP to block indefinitely,
resulting in a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:


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