Ubuntu 6415 Published by

An OpenSSH security update has been released for Ubuntu Linux 16.04 ESM.

USN-5666-1: OpenSSH vulnerability

Ubuntu Security Notice USN-5666-1
October 10, 2022

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

- Ubuntu 16.04 ESM


OpenSSH could be made to run arbitrary code if it some
non-default configuration are in use.

Software Description:
- openssh: secure shell (SSH) for secure access to remote machines


It was discovered that OpenSSH incorrectly handled certain helper programs.
An attacker could possibly use this issue to arbitrary code execution.

Update instructions:

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

Ubuntu 16.04 ESM:
openssh-server 1:7.2p2-4ubuntu2.10+esm2

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