Bug 2453006 (CVE-2026-28859) - CVE-2026-28859 webkitgtk: A malicious website may be able to process restricted web content outside the sandbox
Summary: CVE-2026-28859 webkitgtk: A malicious website may be able to process restrict...
Keywords:
Status: NEW
Alias: CVE-2026-28859
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2453077 2453078 2453079
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-30 12:37 UTC by OSIDB Bzimport
Modified: 2026-05-20 05:27 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:10702 0 None None None 2026-04-27 01:51:25 UTC
Red Hat Product Errata RHSA-2026:11329 0 None None None 2026-04-28 07:31:30 UTC
Red Hat Product Errata RHSA-2026:11814 0 None None None 2026-04-29 16:13:30 UTC
Red Hat Product Errata RHSA-2026:13845 0 None None None 2026-05-05 18:10:20 UTC
Red Hat Product Errata RHSA-2026:14659 0 None None None 2026-05-07 05:53:56 UTC
Red Hat Product Errata RHSA-2026:16056 0 None None None 2026-05-11 18:42:34 UTC
Red Hat Product Errata RHSA-2026:16695 0 None None None 2026-05-13 01:56:20 UTC
Red Hat Product Errata RHSA-2026:19206 0 None None None 2026-05-19 18:02:07 UTC
Red Hat Product Errata RHSA-2026:19535 0 None None None 2026-05-20 05:27:41 UTC
Red Hat Product Errata RHSA-2026:9692 0 None None None 2026-04-22 11:44:05 UTC

Description OSIDB Bzimport 2026-03-30 12:37:44 UTC 
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.4, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. A malicious website may be able to process restricted web content outside the sandbox.
Comment 2 errata-xmlrpc 2026-04-22 11:44:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:9692 https://access.redhat.com/errata/RHSA-2026:9692
Comment 3 errata-xmlrpc 2026-04-27 01:51:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:10702 https://access.redhat.com/errata/RHSA-2026:10702
Comment 4 errata-xmlrpc 2026-04-28 07:31:29 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:11329 https://access.redhat.com/errata/RHSA-2026:11329
Comment 5 errata-xmlrpc 2026-04-29 16:13:30 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-2026:11814 https://access.redhat.com/errata/RHSA-2026:11814
Comment 6 errata-xmlrpc 2026-05-05 18:10:19 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 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2026:13845 https://access.redhat.com/errata/RHSA-2026:13845
Comment 7 errata-xmlrpc 2026-05-07 05:53:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:14659 https://access.redhat.com/errata/RHSA-2026:14659
Comment 8 errata-xmlrpc 2026-05-11 18:42:33 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-2026:16056 https://access.redhat.com/errata/RHSA-2026:16056
Comment 9 errata-xmlrpc 2026-05-13 01:56:19 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:16695 https://access.redhat.com/errata/RHSA-2026:16695
Comment 10 errata-xmlrpc 2026-05-19 18:02:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:19206 https://access.redhat.com/errata/RHSA-2026:19206
Comment 11 errata-xmlrpc 2026-05-20 05:27:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:19535 https://access.redhat.com/errata/RHSA-2026:19535
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