Bug 2359673

Summary:	CVE-2025-3576 krb5: Kerberos RC4-HMAC-MD5 Checksum Vulnerability Enabling Message Spoofing via MD5 Collisions [fedora-41]
Product:	[Fedora] Fedora	Reporter:	Abhishek Raj <abhraj>
Component:	krb5	Assignee:	Julien Rische <jrische>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	41	CC:	abokovoy, antorres, ftrivino, jrische, j, sbose, ssorce
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["e390783d-d7ef-4add-a7e8-929cdacf5e59"]}
Fixed In Version:	krb5-1.21.3-5.fc41	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2025-06-10 02:59:16 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:	2359465

Description Abhishek Raj 2025-04-15 05:03:00 UTC

More information about this security flaw is available in the following bug:

https://bugzilla.redhat.com/show_bug.cgi?id=2359465

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.

Comment 1 Fedora Update System 2025-06-06 15:12:33 UTC

FEDORA-2025-42a13f896e (krb5-1.21.3-5.fc41) has been submitted as an update to Fedora 41.
https://bodhi.fedoraproject.org/updates/FEDORA-2025-42a13f896e

Comment 2 Fedora Update System 2025-06-07 07:11:04 UTC

FEDORA-2025-42a13f896e has been pushed to the Fedora 41 testing repository.
Soon you'll be able to install the update with the following command:
`sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-42a13f896e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-42a13f896e

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

Comment 3 Fedora Update System 2025-06-10 02:59:16 UTC

FEDORA-2025-42a13f896e (krb5-1.21.3-5.fc41) has been pushed to the Fedora 41 stable repository.
If problem still persists, please make note of it in this bug report.