Bug 2488580

Summary:	CVE-2025-58189 caddy: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-43]
Product:	[Fedora] Fedora	Reporter:	Carl George 🤠 <carlwgeorge>
Component:	caddy	Assignee:	Carl George 🤠 <carlwgeorge>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	unspecified
Version:	43	CC:	extras-qa, go-sig, jmoroney, ngompa13
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["3315d28f-56bc-48ea-9391-3ff13568ea24"]}
Fixed In Version:	caddy-2.10.2-9.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:	2407525	Environment:
Last Closed:	2026-07-02 01:10:18 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:	2407260

Description Carl George 🤠 2026-06-12 21:40:20 UTC

+++ This bug was initially created as a clone of Bug #2407525 +++

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 Fedora Update System 2026-06-23 21:10:55 UTC

FEDORA-2026-3dc324bd9a (caddy-2.10.2-9.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3dc324bd9a

Comment 2 Fedora Update System 2026-06-24 02:01:29 UTC

FEDORA-2026-3dc324bd9a has been pushed to the Fedora 43 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-3dc324bd9a`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-3dc324bd9a

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 3 Fedora Update System 2026-07-02 01:10:18 UTC

FEDORA-2026-3dc324bd9a (caddy-2.10.2-9.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.