Bug 2500538 (CVE-2026-43740) - CVE-2026-43740 webkitgtk: webkitgtk: Maliciously crafted web content may disclose process memory
Summary: CVE-2026-43740 webkitgtk: webkitgtk: Maliciously crafted web content may disc...
Keywords:
Status: NEW
Alias: CVE-2026-43740
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2526390 2526391
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-07-14 19:11 UTC by OSIDB Bzimport
Modified: 2026-08-31 16:02 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:42062 0 None None None 2026-07-20 18:50:03 UTC
Red Hat Product Errata RHSA-2026:42088 0 None None None 2026-07-20 18:16:54 UTC
Red Hat Product Errata RHSA-2026:54572 0 None None None 2026-08-13 15:28:12 UTC
Red Hat Product Errata RHSA-2026:54634 0 None None None 2026-08-13 16:58:24 UTC
Red Hat Product Errata RHSA-2026:57348 0 None None None 2026-08-20 07:31:07 UTC
Red Hat Product Errata RHSA-2026:58550 0 None None None 2026-08-24 02:02:15 UTC
Red Hat Product Errata RHSA-2026:58564 0 None None None 2026-08-24 02:53:14 UTC
Red Hat Product Errata RHSA-2026:59325 0 None None None 2026-08-25 07:27:29 UTC
Red Hat Product Errata RHSA-2026:59326 0 None None None 2026-08-25 07:31:09 UTC

Description OSIDB Bzimport 2026-07-14 19:11:09 UTC 
The issue was addressed with improved memory handling.

Impact: maliciously crafted web content may disclose process memory

Advisory: https://webkitgtk.org/security/WSA-2026-0004.html
WebKit Bug: https://bugs.webkit.org/show_bug.cgi?id=308046
Comment 3 errata-xmlrpc 2026-07-20 18:16:52 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:42088 https://access.redhat.com/errata/RHSA-2026:42088
Comment 4 errata-xmlrpc 2026-07-20 18:50:02 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:42062 https://access.redhat.com/errata/RHSA-2026:42062
Comment 5 errata-xmlrpc 2026-08-13 15:28:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:54572 https://access.redhat.com/errata/RHSA-2026:54572
Comment 6 errata-xmlrpc 2026-08-13 16:58:23 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:54634 https://access.redhat.com/errata/RHSA-2026:54634
Comment 7 errata-xmlrpc 2026-08-20 07:31:06 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-2026:57348 https://access.redhat.com/errata/RHSA-2026:57348
Comment 8 errata-xmlrpc 2026-08-24 02:02:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:58550 https://access.redhat.com/errata/RHSA-2026:58550
Comment 9 errata-xmlrpc 2026-08-24 02:53:13 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:58564 https://access.redhat.com/errata/RHSA-2026:58564
Comment 10 errata-xmlrpc 2026-08-25 07:27:28 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-2026:59325 https://access.redhat.com/errata/RHSA-2026:59325
Comment 11 errata-xmlrpc 2026-08-25 07:31:08 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-2026:59326 https://access.redhat.com/errata/RHSA-2026:59326
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