What is the severity of USN-6666-1?

The severity of USN-6666-1 is classified as high due to the potential for remote attackers to bypass security checks.

How do I fix USN-6666-1?

To fix USN-6666-1, upgrade the libuv1 package to version 1.44.2-1ubuntu0.1 or higher for Ubuntu 23.10, version 1.43.0-1ubuntu0.1 for Ubuntu 22.04, or version 1.34.2-1ubuntu1.5 for Ubuntu 20.04.

What affected software does USN-6666-1 relate to?

USN-6666-1 affects the libuv1 package on various Ubuntu versions, including 23.10, 22.04, and 20.04.

Is USN-6666-1 a remote code execution vulnerability?

USN-6666-1 is not a remote code execution vulnerability but allows attackers to bypass certain security checks.

How can I determine if I'm vulnerable to USN-6666-1?

You can determine your vulnerability to USN-6666-1 by checking if you are using an affected version of the libuv1 package on your Ubuntu system.

Vulnerability/
USN-6666-1

28/2/2024

USN-6666-1: libuv vulnerability

First published: Wed Feb 28 2024(Updated: )

It was discovered that libuv incorrectly truncated certain hostnames. A remote attacker could possibly use this issue with specially crafted hostnames to bypass certain checks.

Affected Software	Affected Version	How to fix
All of
ubuntu/libuv1	<1.44.2-1ubuntu0.1	1.44.2-1ubuntu0.1
Ubuntu	=23.10
All of
ubuntu/libuv1	<1.43.0-1ubuntu0.1	1.43.0-1ubuntu0.1
Ubuntu	=22.04
All of
ubuntu/libuv1	<1.34.2-1ubuntu1.5	1.34.2-1ubuntu1.5
Ubuntu	=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2024-24806

Frequently Asked Questions

What is the severity of USN-6666-1?
The severity of USN-6666-1 is classified as high due to the potential for remote attackers to bypass security checks.
How do I fix USN-6666-1?
To fix USN-6666-1, upgrade the libuv1 package to version 1.44.2-1ubuntu0.1 or higher for Ubuntu 23.10, version 1.43.0-1ubuntu0.1 for Ubuntu 22.04, or version 1.34.2-1ubuntu1.5 for Ubuntu 20.04.
What affected software does USN-6666-1 relate to?
USN-6666-1 affects the libuv1 package on various Ubuntu versions, including 23.10, 22.04, and 20.04.
Is USN-6666-1 a remote code execution vulnerability?
USN-6666-1 is not a remote code execution vulnerability but allows attackers to bypass certain security checks.
How can I determine if I'm vulnerable to USN-6666-1?
You can determine your vulnerability to USN-6666-1 by checking if you are using an affected version of the libuv1 package on your Ubuntu system.

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