A Net-SNMP security update has been released for Ubuntu Linux 20.04 LTS.

USN-4410-1: Net-SNMP vulnerability

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Ubuntu Security Notice USN-4410-1
July 02, 2020

net-snmp vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS

Summary:

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

Software Description:
- net-snmp: SNMP (Simple Network Management Protocol) server and applications

Details:

A double-free bug was discovered in snmpd server. An authenticated user could
potentially cause a DoS by sending a crafted request to the server.
(CVE-2019-20892)

Update instructions:

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

Ubuntu 20.04 LTS:
libsnmp-base 5.8+dfsg-2ubuntu2.1
libsnmp-perl 5.8+dfsg-2ubuntu2.1
libsnmp35 5.8+dfsg-2ubuntu2.1
snmpd 5.8+dfsg-2ubuntu2.1

After a standard system update you need to restart snmpd to make
all the necessary changes.

References:
  https://usn.ubuntu.com/4410-1
CVE-2019-20892

Package Information:
  https://launchpad.net/ubuntu/+source/net-snmp/5.8+dfsg-2ubuntu2.1