Bug 2438832

Summary:	CVE-2026-25506 munge: MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Dhananjay Arunesh <darunesh>
Component:	munge	Assignee:	Ankur Sinha (FranciscoD) <sanjay.ankur>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	42	CC:	cdunlap, neuro-sig, sanjay.ankur, scitech-bugs
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["b6043e0e-4d47-4fbc-83c2-668603ba5b8c"]}
Fixed In Version:	munge-0.5.18-1.fc42	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-02-26 00:56:03 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:	2438715

Description Dhananjay Arunesh 2026-02-11 11:35:26 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.

Comment 1 Fedora Update System 2026-02-17 11:47:33 UTC

FEDORA-2026-ebf9437c9e (munge-0.5.18-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-ebf9437c9e

Comment 2 Fedora Update System 2026-02-18 04:12:05 UTC

FEDORA-2026-ebf9437c9e has been pushed to the Fedora 42 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-ebf9437c9e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-ebf9437c9e

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

Comment 3 Fedora Update System 2026-02-26 00:56:03 UTC

FEDORA-2026-ebf9437c9e (munge-0.5.18-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.