Bug 2384109

Summary:	caddy: Host Header Injection in github.com/go-chi/chi [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	caddy	Assignee:	Carl George 🤠 <carl>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	carl, go-sig, ngompa13
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["3608372c-e1b8-4cd5-bc83-98f84ec9257f"]}
Fixed In Version:	caddy-2.10.2-1.fc43 caddy-2.10.2-1.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-08-24 04:38:23 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	2384089

Description Jon Moroney 2025-07-28 22:06:03 UTC

Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

The following link provides references to all essential vulnerability management information. If something is wrong or missing, please contact a member of PSIRT.
https://spaces.redhat.com/display/PRODSEC/Vulnerability+Management+-+Essential+Documents+for+Engineering+Teams

Comment 1 Carl George 🤠 2025-08-24 04:38:23 UTC

This was fixed upstream in caddy 2.10.1, which updated the bundled github.com/go-chi/chi/v5 to 5.2.2.

https://github.com/caddyserver/caddy/commit/3bd413546bf8f7b5e19fcb2104a21600c55cc146

That version also bumps the minimum required golang version to 1.25, which is currently only available in Fedora 43+.

F43: https://bodhi.fedoraproject.org/updates/FEDORA-2025-55650d3314
F44: https://bodhi.fedoraproject.org/updates/FEDORA-2025-192aa96587