Bug 2500527 (CVE-2026-43713)

Summary:	CVE-2026-43713 webkitgtk: webkitgtk: Visiting a website may leak sensitive data
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	rhel-process-autobot, watson-tool-maintainers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A flaw was found in WebKitGTK. Visiting a website can leak sensitive data due to a permissions issue that was addressed with additional restrictions.	Story Points:	---
Clone Of:		Environment:
Last Closed:		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:	2526369, 2526370
Bug Blocks:

Description OSIDB Bzimport 2026-07-14 19:08:53 UTC

A permissions issue was addressed with additional restrictions.

Impact: visiting a website may leak sensitive data

Advisory: https://webkitgtk.org/security/WSA-2026-0004.html
WebKit Bug: https://bugs.webkit.org/show_bug.cgi?id=314806

Comment 3 errata-xmlrpc 2026-07-20 18:16:42 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:42088 https://access.redhat.com/errata/RHSA-2026:42088

Comment 4 errata-xmlrpc 2026-07-20 18:49:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:42062 https://access.redhat.com/errata/RHSA-2026:42062

Comment 5 errata-xmlrpc 2026-08-13 15:27:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:54572 https://access.redhat.com/errata/RHSA-2026:54572

Comment 6 errata-xmlrpc 2026-08-13 16:58:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:54634 https://access.redhat.com/errata/RHSA-2026:54634

Comment 7 errata-xmlrpc 2026-08-20 07:30:55 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On

Via RHSA-2026:57348 https://access.redhat.com/errata/RHSA-2026:57348

Comment 8 errata-xmlrpc 2026-08-24 02:02:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:58550 https://access.redhat.com/errata/RHSA-2026:58550

Comment 9 errata-xmlrpc 2026-08-24 02:53:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:58564 https://access.redhat.com/errata/RHSA-2026:58564

Comment 10 errata-xmlrpc 2026-08-25 07:27:17 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On

Via RHSA-2026:59325 https://access.redhat.com/errata/RHSA-2026:59325

Comment 11 errata-xmlrpc 2026-08-25 07:30:46 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.8 Telecommunications Update Service

Via RHSA-2026:59326 https://access.redhat.com/errata/RHSA-2026:59326