Bug 2423190 (CVE-2025-43536)

Summary: CVE-2025-43536 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
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Hardware: All   
OS: Linux   
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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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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2423303, 2423304, 2423305, 2423306    
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Description OSIDB Bzimport 2025-12-17 15:58:39 UTC
Processing maliciously crafted web content may lead to an unexpected process crash. A use-after-free issue was addressed with improved memory management.

Comment 2 errata-xmlrpc 2025-12-18 20:10:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:23663 https://access.redhat.com/errata/RHSA-2025:23663

Comment 3 errata-xmlrpc 2025-12-18 22:10:38 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:23700 https://access.redhat.com/errata/RHSA-2025:23700