Bug 2520710

Summary:	CVE-2026-64728 webkitgtk: Maliciously crafted web content may violate iframe sandboxing policy [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	webkitgtk	Assignee:	Michael Catanzaro <mcatanza>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	rawhide	CC:	daniel, gnome-sig, mcatanza, suraj.ghimire7, tpopela
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["048f3e35-42fc-4162-9ec9-a05074887c71"]}
Fixed In Version:	webkitgtk-2.54.0-2.fc44	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-09-25 01:13:23 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:	2520319

Description Guilherme de Almeida Suckevicz 2026-08-20 19:10:57 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.

A permissions issue was addressed with improved validation. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Maliciously crafted web content may violate iframe sandboxing policy.

Comment 1 Fedora Update System 2026-09-17 18:33:52 UTC

FEDORA-2026-164300cb22 (webkitgtk-2.54.0-1.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-164300cb22

Comment 2 Fedora Update System 2026-09-18 01:33:45 UTC

FEDORA-2026-b3f7d5344b 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-b3f7d5344b`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-b3f7d5344b

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

Comment 3 Fedora Update System 2026-09-18 02:15:35 UTC

FEDORA-2026-164300cb22 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-2026-164300cb22`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-164300cb22

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

Comment 4 Fedora Update System 2026-09-23 01:59:02 UTC

FEDORA-2026-40db9b80a2 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-2026-40db9b80a2`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-40db9b80a2

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

Comment 5 Fedora Update System 2026-09-23 02:24:43 UTC

FEDORA-2026-011617b4db 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-2026-011617b4db`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-011617b4db

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

Comment 6 Fedora Update System 2026-09-25 01:13:23 UTC

FEDORA-2026-40db9b80a2 (webkitgtk-2.54.0-2.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.