Alerts This Week
Warning Icon 1 1,154
Alerts This Week
Warning Icon 1 1,154

Ubuntu 25.04: 7431-2 critical: HAProxy denial of service

ubuntu
Calendar Grey April 23, 2025
Dist Ubuntu Esm H88
A security flaw in HAProxy for Ubuntu 25.04 may allow attackers to induce crashes or run unregulated code via specially crafted requests.
HAProxy could be made to crash or run programs if it received specially crafted network traffic.

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:

USN-7431-1 fixed a vulnerability in HAProxy. This update provides the

corresponding update for Ubuntu 25.04.

Original advisory 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.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu arbitrary code network traffic HAProxy

Update Instructions

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

Ubuntu 25.04
   haproxy                         3.0.8-1ubuntu1.1

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

References

https://ubuntu.com/security/notices/USN-7431-2

https://ubuntu.com/security/notices/USN-7431-1

CVE-2025-32464

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7431-2

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu arbitrary code network traffic HAProxy

Package Information

https://launchpad.net/ubuntu/+source/haproxy/3.0.8-1ubuntu1.1

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here