Bug 2448786 (CVE-2025-43457)

Summary: CVE-2025-43457 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 DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
Target Milestone: ---   
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.
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Clone Of: Environment:
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Regression: --- Mount Type: ---
Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2449084, 2449085, 2449086    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-18 20:14:36 UTC
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Comment 2 errata-xmlrpc 2026-04-22 11:43:49 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 01:50:56 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 07:31:15 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 16:13:48 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 18:10:23 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 05:53:41 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 18:42:18 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 01:56:05 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 18:01:52 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 05:26:58 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