1. Ubuntu Security Notices
  2. USN-4447-1

USN-4447-1: libssh vulnerability

Publication date

4 August 2020

Overview

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

Releases

Packages

Details

It was discovered that libssh incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service.

It was discovered that libssh incorrectly handled certain requests.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

In general, a standard system update will 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 focal libssh-4 –  0.9.3-2ubuntu2.1
18.04 bionic libssh-4 –  0.8.0~20170825.94fa1e38-1ubuntu0.7
16.04 xenial libssh-4 –  0.6.3-4.3ubuntu0.6

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References

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