Bug 2403598 (CVE-2025-43343)

Summary: CVE-2025-43343 webkitgtk: Processing maliciously crafted web content may lead to an unexpected process 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 an unexpected process crash due to improper memory handling.
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Clone Of: Environment:
Last Closed: Type: ---
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Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2403626, 2403623, 2403624, 2403625, 2403627    
Bug Blocks:    

Description OSIDB Bzimport 2025-10-13 20:02:50 UTC
The issue was addressed with improved memory handling. This issue is fixed in tvOS 26, Safari 26, visionOS 26, watchOS 26, macOS Tahoe 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.

Comment 2 errata-xmlrpc 2025-10-15 09:20:10 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:18070 https://access.redhat.com/errata/RHSA-2025:18070

Comment 3 errata-xmlrpc 2025-10-15 11:38:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:18097 https://access.redhat.com/errata/RHSA-2025:18097

Comment 7 errata-xmlrpc 2025-11-06 16:41:31 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:19915 https://access.redhat.com/errata/RHSA-2025:19915

Comment 8 errata-xmlrpc 2025-11-06 16:47:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:19913 https://access.redhat.com/errata/RHSA-2025:19913

Comment 9 errata-xmlrpc 2025-11-06 16:53:02 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-2025:19916 https://access.redhat.com/errata/RHSA-2025:19916

Comment 10 errata-xmlrpc 2025-11-06 16:53:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:19914 https://access.redhat.com/errata/RHSA-2025:19914

Comment 11 errata-xmlrpc 2025-11-06 16:56:13 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-2025:19919 https://access.redhat.com/errata/RHSA-2025:19919

Comment 12 errata-xmlrpc 2025-11-06 16:56:30 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-2025:19918 https://access.redhat.com/errata/RHSA-2025:19918

Comment 13 errata-xmlrpc 2025-11-06 16:58:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:19920 https://access.redhat.com/errata/RHSA-2025:19920

Comment 14 errata-xmlrpc 2025-11-10 01:40:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:19946 https://access.redhat.com/errata/RHSA-2025:19946

Comment 15 errata-xmlrpc 2025-11-11 13:51:45 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:20922 https://access.redhat.com/errata/RHSA-2025:20922