What is the vulnerability ID for the HAProxy vulnerability?

The vulnerability ID for the HAProxy vulnerability is USN-6530-1.

What is the impact of the HAProxy vulnerability?

The HAProxy vulnerability can allow a remote attacker to obtain sensitive information or bypass certain rules.

Which versions of HAProxy are affected by the vulnerability?

The versions of HAProxy affected by the vulnerability are 2.6.9-1ubuntu1.2, 2.4.22-0ubuntu0.22.04.3, and 2.0.31-0ubuntu0.3.

What is the recommended remedy for the HAProxy vulnerability?

The recommended remedy for the HAProxy vulnerability is to update to version 2.6.9-1ubuntu1.2 (for Ubuntu 23.04), version 2.4.22-0ubuntu0.22.04.3 (for Ubuntu 22.04), or version 2.0.31-0ubuntu0.3 (for Ubuntu 20.04).

Where can I find more information about the HAProxy vulnerability?

More information about the HAProxy vulnerability can be found at the following references: [CVE-2023-45539](https://ubuntu.com/security/CVE-2023-45539), [Ubuntu Security Notice](https://launchpad.net/ubuntu/+source/haproxy/2.6.9-1ubuntu1.2), [Ubuntu Launchpad](https://launchpad.net/ubuntu/+source/haproxy/2.4.22-0ubuntu0.22.04.3).

Vulnerability/
USN-6530-1

5/12/2023

USN-6530-1: HAProxy vulnerability

First published: Tue Dec 05 2023(Updated: )

It was discovered that HAProxy incorrectly handled URI components containing the hash character (#). A remote attacker could possibly use this issue to obtain sensitive information, or to bypass certain path_end rules.

Affected Software	Affected Version	How to fix
All of
ubuntu/haproxy	<2.6.9-1ubuntu1.2	2.6.9-1ubuntu1.2
Ubuntu Ubuntu	=23.04
All of
ubuntu/haproxy	<2.4.22-0ubuntu0.22.04.3	2.4.22-0ubuntu0.22.04.3
Ubuntu Ubuntu	=22.04
All of
ubuntu/haproxy	<2.0.31-0ubuntu0.3	2.0.31-0ubuntu0.3
Ubuntu Ubuntu	=20.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

CVE-2023-45539

Frequently Asked Questions

What is the vulnerability ID for the HAProxy vulnerability?
The vulnerability ID for the HAProxy vulnerability is USN-6530-1.
What is the impact of the HAProxy vulnerability?
The HAProxy vulnerability can allow a remote attacker to obtain sensitive information or bypass certain rules.
Which versions of HAProxy are affected by the vulnerability?
The versions of HAProxy affected by the vulnerability are 2.6.9-1ubuntu1.2, 2.4.22-0ubuntu0.22.04.3, and 2.0.31-0ubuntu0.3.
What is the recommended remedy for the HAProxy vulnerability?
The recommended remedy for the HAProxy vulnerability is to update to version 2.6.9-1ubuntu1.2 (for Ubuntu 23.04), version 2.4.22-0ubuntu0.22.04.3 (for Ubuntu 22.04), or version 2.0.31-0ubuntu0.3 (for Ubuntu 20.04).
Where can I find more information about the HAProxy vulnerability?
More information about the HAProxy vulnerability can be found at the following references: [CVE-2023-45539](https://ubuntu.com/security/CVE-2023-45539), [Ubuntu Security Notice](https://launchpad.net/ubuntu/+source/haproxy/2.6.9-1ubuntu1.2), [Ubuntu Launchpad](https://launchpad.net/ubuntu/+source/haproxy/2.4.22-0ubuntu0.22.04.3).

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