USN-9062-1: SNMPTT vulnerability

Publication date

11 November 2026

Overview

SNMPTT could be made to run programs if it received specially crafted network traffic.


Packages

  • snmptt - SNMP trap handler for use with snmptrapd

Details

It was discovered that SNMPTT did not properly sanitize trap data passed to
commands run through the EXEC, PREEXEC, and unknown_trap_exec options. A
remote attacker could possibly use this issue to execute arbitrary shell
commands.

It was discovered that SNMPTT did not properly sanitize trap data passed to
commands run through the EXEC, PREEXEC, and unknown_trap_exec options. A
remote attacker could possibly use this issue to execute arbitrary shell
commands.

Update instructions

After a standard system update you need to restart SNMPTT to 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:

Ubuntu Release Package Version
20.04 LTS focal snmptt –  1.4-2ubuntu0.1~esm1  
18.04 LTS bionic snmptt –  1.4-1ubuntu0.18.04.1~esm1  
16.04 LTS xenial snmptt –  1.4-1ubuntu0.16.04.1~esm1

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