Bug 2471790 (CVE-2026-28946)

Summary: CVE-2026-28946 webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: 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. Processing malicious web content can cause a use-after-free issue due to improper memory management and result in an unexpected process crash.
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: 2484060, 2484061    
Bug Blocks:    

Description OSIDB Bzimport 2026-05-11 21:10:16 UTC
A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Tahoe 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Comment 2 errata-xmlrpc 2026-06-15 06:34:17 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:25918 https://access.redhat.com/errata/RHSA-2026:25918

Comment 4 errata-xmlrpc 2026-06-15 10:01:02 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:25927 https://access.redhat.com/errata/RHSA-2026:25927

Comment 5 errata-xmlrpc 2026-06-22 03:43:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:27728 https://access.redhat.com/errata/RHSA-2026:27728

Comment 6 errata-xmlrpc 2026-06-22 06:11:52 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-2026:27785 https://access.redhat.com/errata/RHSA-2026:27785

Comment 7 errata-xmlrpc 2026-06-22 09:21:37 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-2026:27804 https://access.redhat.com/errata/RHSA-2026:27804

Comment 8 errata-xmlrpc 2026-06-23 04:34:33 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-2026:28114 https://access.redhat.com/errata/RHSA-2026:28114

Comment 9 errata-xmlrpc 2026-06-23 09:59:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:28148 https://access.redhat.com/errata/RHSA-2026:28148

Comment 10 errata-xmlrpc 2026-06-23 10:02:23 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:28146 https://access.redhat.com/errata/RHSA-2026:28146

Comment 11 errata-xmlrpc 2026-06-25 17:56:28 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:28147 https://access.redhat.com/errata/RHSA-2026:28147