USN-7431-1: HAProxy vulnerability

Published Apr 10, 2025
·
Updated

Aleandro Prudenzano and Edoardo Geraci discovered that HAProxy incorrectly handled certain uncommon configurations that replace multiple short patterns with a longer one. A remote attacker could use this issue to cause HAProxy to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software

6 affected componentsFixes available
All of the following
ubuntu/haproxy<2.9.10-1ubuntu1.2
2.9.10-1ubuntu1.2
Ubuntu Ubuntu=24.10
All of the following
ubuntu/haproxy<2.8.5-1ubuntu3.3
2.8.5-1ubuntu3.3
Ubuntu Ubuntu=24.04
All of the following
ubuntu/haproxy<2.4.24-0ubuntu0.22.04.2
2.4.24-0ubuntu0.22.04.2
Ubuntu Ubuntu=22.04

Event History

Apr 10, 2025
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of USN-7431-1?

The severity of USN-7431-1 is considered important due to the potential for denial of service.

2

How do I fix USN-7431-1?

To fix USN-7431-1, update HAProxy to the latest versions listed in the advisory.

3

What versions of HAProxy are affected by USN-7431-1?

USN-7431-1 affects HAProxy versions up to 2.9.10-1ubuntu1.2, 2.8.5-1ubuntu3.3, and 2.4.24-0ubuntu0.22.04.2.

4

What is the impact of USN-7431-1?

The impact of USN-7431-1 includes the potential for HAProxy to crash, leading to a denial of service.

5

Who discovered the USN-7431-1 vulnerability?

The USN-7431-1 vulnerability was discovered by Aleandro Prudenzano and Edoardo Geraci.

Contact

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