Bug 2533791 (CVE-2026-92030) - CVE-2026-92030 firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
Summary: CVE-2026-92030 firefox: thunderbird: Mitigation bypass in the DOM: Copy & Pas...
Keywords:
Status: NEW
Alias: CVE-2026-92030
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-15 13:03 UTC by OSIDB Bzimport
Modified: 2026-09-21 19:49 UTC (History)
5 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-2026:69461 0 None None None 2026-09-21 17:34:41 UTC
Red Hat Product Errata RHSA-2026:69462 0 None None None 2026-09-21 19:49:15 UTC

Description OSIDB Bzimport 2026-09-15 13:03:58 UTC 
Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, and Firefox ESR 153.3.
Comment 1 Jon Orris 2026-09-21 17:34:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:69461 https://access.redhat.com/errata/RHSA-2026:69461
Comment 2 Jon Orris 2026-09-21 19:49:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:69462 https://access.redhat.com/errata/RHSA-2026:69462
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