==========================================================================
Ubuntu Security Notice USN-7431-1
April 10, 2025

haproxy vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

HAProxy could be made to crash or run programs if it received specially
crafted network traffic.

Software Description:
- haproxy: fast and reliable load balancing reverse proxy

Details:

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.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.10
  haproxy                         2.9.10-1ubuntu1.2

Ubuntu 24.04 LTS
  haproxy                         2.8.5-1ubuntu3.3

Ubuntu 22.04 LTS
  haproxy                         2.4.24-0ubuntu0.22.04.2

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-7431-1
  CVE-2025-32464

Package Information:
  https://launchpad.net/ubuntu/+source/haproxy/2.9.10-1ubuntu1.2
  https://launchpad.net/ubuntu/+source/haproxy/2.8.5-1ubuntu3.3
  https://launchpad.net/ubuntu/+source/haproxy/2.4.24-0ubuntu0.22.04.2

Attachment: OpenPGP_signature.asc
Description: OpenPGP digital signature



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