CVE-2025-11230

Publication date 2 October 2025

Last updated 8 October 2025

Ubuntu priority

Why this priority?

Description

DoS in haproxy via MJSON

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
haproxy	25.04 plucky	Fixed 3.0.8-1ubuntu1.2
	24.04 LTS noble	Fixed 2.8.5-1ubuntu3.4
	22.04 LTS jammy	Fixed 2.4.24-0ubuntu0.22.04.3
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected

Notes

mdeslaur

CRD is still TBD per upstream, json converter was introduced in 2.4, need to check

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
haproxy	Upstream: https://git.haproxy.org/?p=haproxy-3.2.git;a=commit;h=6fd1287526eae1b31329997a2df29c9fb564a8e8

References

Related Ubuntu Security Notices (USN)

USN-7805-1
HAProxy vulnerability
6 October 2025

Other references

https://www.cve.org/CVERecord?id=CVE-2025-11230