Ubuntu 20.04: USN-4447-1 Moderate: libssh Denial of Service

ubuntu

August 4, 2020

libssh could be made to crash if it received a specially crafted request.

Summary

libssh could be made to crash if it received a specially crafted request.

Software Description:

- libssh: None

Details:

It was discovered that libssh incorrectly handled certain requests.

An attacker could possibly use this issue to cause a denial of service.

Topics Covered

security advisory denial of service security update software issue ubuntu crash libssh

Update Instructions

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

Ubuntu 20.04 LTS:
  libssh-4                        0.9.3-2ubuntu2.1

Ubuntu 18.04 LTS:
  libssh-4                        0.8.0~20170825.94fa1e38-1ubuntu0.7

Ubuntu 16.04 LTS:
  libssh-4                        0.6.3-4.3ubuntu0.6

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