Bug 2442660

Summary:	CVE-2026-27624 coturn: IPv4-mapped IPv6 bypasses denied-peer-ip ACL [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	coturn	Assignee:	Robert Scheck <redhat-bugzilla>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	rawhide	CC:	redhat-bugzilla
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["ae12fde3-8657-4af9-b08a-e9030a73883a"]}
Fixed In Version:	coturn-4.9.0-1.fc43 coturn-4.9.0-1.fc42 coturn-4.9.0-1.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-03-05 00:56:58 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:	2442550

Description Guilherme de Almeida Suckevicz 2026-02-25 16:22:17 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 2026-02-26 11:46:48 UTC

FEDORA-2026-379e214a37 (coturn-4.9.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-379e214a37

Comment 2 Fedora Update System 2026-02-26 11:46:59 UTC

FEDORA-2026-8cb5571ddc (coturn-4.9.0-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-8cb5571ddc

Comment 3 Fedora Update System 2026-02-26 11:47:09 UTC

FEDORA-2026-2a1aa1f57f (coturn-4.9.0-1.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-2a1aa1f57f

Comment 4 Fedora Update System 2026-03-05 00:56:58 UTC

FEDORA-2026-8cb5571ddc (coturn-4.9.0-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 5 Fedora Update System 2026-03-05 01:13:32 UTC

FEDORA-2026-2a1aa1f57f (coturn-4.9.0-1.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-03-07 00:28:12 UTC

FEDORA-2026-379e214a37 (coturn-4.9.0-1.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.