Bug 2453002 (CVE-2026-20665)

Summary: CVE-2026-20665 webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
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 may prevent Content Security Policy from being enforced due to improper state management.
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: 2453068, 2453069, 2453070    
Bug Blocks:    

Description OSIDB Bzimport 2026-03-30 12:32:50 UTC
This issue was addressed through improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, watchOS 26.4. Processing maliciously crafted web content may prevent Content Security Policy from being enforced.

Comment 2 errata-xmlrpc 2026-04-22 11:44:00 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 01:51:09 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 07:31:26 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 16:13:33 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 18:10:34 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 05:53:52 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 18:42:30 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 01:56:16 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 18:02:03 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 05:27:09 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

Comment 12 errata-xmlrpc 2026-06-01 01:54:58 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:22136 https://access.redhat.com/errata/RHSA-2026:22136