USN-3792-1: Net-SNMP vulnerability

15 October 2018

net-snmp vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


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

Software Description

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


It was discovered that Net-SNMP incorrectly handled certain certain crafted packets. A remote attacker could possibly use this issue to cause Net-SNMP to crash, resulting in a denial of service.

Update instructions

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

Ubuntu 18.04 LTS
libsnmp30 - 5.7.3+dfsg-1.8ubuntu3.1
Ubuntu 16.04 LTS
libsnmp30 - 5.7.3+dfsg-1ubuntu4.2
Ubuntu 14.04 LTS
libsnmp30 - 5.7.2~dfsg-8.1ubuntu3.3

To update your system, please follow these instructions:

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