Bug 2422491

Summary:	CVE-2025-64718 yarnpkg: js-yaml prototype pollution in merge [fedora-42]
Product:	[Fedora] Fedora	Reporter:	Jon Moroney <jmoroney>
Component:	yarnpkg	Assignee:	Neal Gompa <ngompa13>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	42	CC:	epel-packagers-sig, manisandro, ngompa13
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["ff7bcddb-0318-4527-89bd-9e491700782b"]}
Fixed In Version:	yarnpkg-1.22.22-17.fc44 yarnpkg-1.22.22-17.el10_3 yarnpkg-1.22.22-17.fc42 yarnpkg-1.22.22-18.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-03-17 00:15:36 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:	2414854

Description Jon Moroney 2025-12-15 21:48:28 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 Fedora Update System 2026-03-08 09:12:24 UTC

FEDORA-EPEL-2026-298986c665 (yarnpkg-1.22.22-17.el10_3) has been submitted as an update to Fedora EPEL 10.3.
https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-298986c665

Comment 2 Fedora Update System 2026-03-08 09:12:24 UTC

FEDORA-2026-db0c5d039c (yarnpkg-1.22.22-17.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-db0c5d039c

Comment 3 Fedora Update System 2026-03-09 00:23:04 UTC

FEDORA-EPEL-2026-298986c665 has been pushed to the Fedora EPEL 10.3 testing repository.

You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2026-298986c665

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

Comment 4 Fedora Update System 2026-03-09 00:49:13 UTC

FEDORA-2026-db0c5d039c has been pushed to the Fedora 44 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-db0c5d039c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-db0c5d039c

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

Comment 5 Fedora Update System 2026-03-09 01:21:18 UTC

FEDORA-2026-6b90f6b31c 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-2026-6b90f6b31c`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-6b90f6b31c

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

Comment 6 Fedora Update System 2026-03-09 01:44:37 UTC

FEDORA-2026-b8aad5411e 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-b8aad5411e`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b8aad5411e

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

Comment 7 Fedora Update System 2026-03-17 00:15:36 UTC

FEDORA-2026-db0c5d039c (yarnpkg-1.22.22-17.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 8 Fedora Update System 2026-03-17 00:28:18 UTC

FEDORA-EPEL-2026-298986c665 (yarnpkg-1.22.22-17.el10_3) has been pushed to the Fedora EPEL 10.3 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 9 Fedora Update System 2026-03-17 02:11:46 UTC

FEDORA-2026-b8aad5411e (yarnpkg-1.22.22-17.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 10 Fedora Update System 2026-04-03 17:56:25 UTC

FEDORA-2026-085abeea02 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-2026-085abeea02`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-085abeea02

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

Comment 11 Fedora Update System 2026-04-12 15:37:29 UTC

FEDORA-2026-085abeea02 (yarnpkg-1.22.22-18.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.