USN-6371-1: libssh2 vulnerability

Published Sep 14, 2023
·
Updated

It was discovered that libssh2 incorrectly handled memory access. An attacker could possibly use this issue to cause a crash.

Affected Software

8 affected componentsFixes available
All of the following
ubuntu/libssh2-1<1.8.0-2.1ubuntu0.1
1.8.0-2.1ubuntu0.1
Ubuntu Ubuntu=20.04
All of the following
ubuntu/libssh2-1<1.8.0-1ubuntu0.1
1.8.0-1ubuntu0.1
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libssh2-1<1.5.0-2ubuntu0.1+esm2
1.5.0-2ubuntu0.1+esm2
Ubuntu Ubuntu=16.04
All of the following
ubuntu/libssh2-1<1.4.3-2ubuntu0.2+esm3
1.4.3-2ubuntu0.2+esm3
Ubuntu Ubuntu=14.04

Event History

Sep 14, 2023
Advisory Published
via Ubuntu·12:00 AM
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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2020-22218.

2

What software is affected by this vulnerability?

The affected software is libssh2-1 on Ubuntu versions 20.04, 18.04, 16.04, and 14.04.

3

How severe is this vulnerability?

The severity of this vulnerability is not specified.

4

How can I fix this vulnerability?

To fix this vulnerability, update libssh2-1 package to version 1.8.0-2.1ubuntu0.1 (for Ubuntu 20.04), 1.8.0-1ubuntu0.1 (for Ubuntu 18.04), 1.5.0-2ubuntu0.1+esm2 (for Ubuntu 16.04), or 1.4.3-2ubuntu0.2+esm3 (for Ubuntu 14.04).

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