net-snmp vulnerability

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

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2019-20892

--- Mystic BBS v1.12 A45 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)