Bug 2533757 (CVE-2026-92027) - CVE-2026-92027 firefox: thunderbird: Use-after-free in the DOM: Streams component
Summary: CVE-2026-92027 firefox: thunderbird: Use-after-free in the DOM: Streams compo...
Keywords:
Status: NEW
Alias: CVE-2026-92027
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-15 12:52 UTC by OSIDB Bzimport
Modified: 2026-10-15 07:42 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 17:34:07 UTC
Red Hat Product Errata RHSA-2026:69462 0 None None None 2026-09-21 19:49:28 UTC
Red Hat Product Errata RHSA-2026:70642 0 None None None 2026-09-24 01:58:34 UTC
Red Hat Product Errata RHSA-2026:71652 0 None None None 2026-09-24 17:37:15 UTC
Red Hat Product Errata RHSA-2026:73130 0 None None None 2026-09-29 12:15:44 UTC
Red Hat Product Errata RHSA-2026:73971 0 None None None 2026-09-30 14:19:41 UTC
Red Hat Product Errata RHSA-2026:81392 0 None None None 2026-10-12 17:29:38 UTC
Red Hat Product Errata RHSA-2026:81393 0 None None None 2026-10-12 17:39:26 UTC
Red Hat Product Errata RHSA-2026:81394 0 None None None 2026-10-12 17:37:16 UTC
Red Hat Product Errata RHSA-2026:81884 0 None None None 2026-10-13 04:55:58 UTC
Red Hat Product Errata RHSA-2026:81912 0 None None None 2026-10-13 05:00:57 UTC
Red Hat Product Errata RHSA-2026:81913 0 None None None 2026-10-13 04:59:39 UTC
Red Hat Product Errata RHSA-2026:82122 0 None None None 2026-10-13 08:48:49 UTC
Red Hat Product Errata RHSA-2026:82720 0 None None None 2026-10-14 03:56:49 UTC
Red Hat Product Errata RHSA-2026:82779 0 None None None 2026-10-14 07:52:34 UTC
Red Hat Product Errata RHSA-2026:82780 0 None None None 2026-10-14 07:53:50 UTC
Red Hat Product Errata RHSA-2026:82817 0 None None None 2026-10-14 09:14:38 UTC
Red Hat Product Errata RHSA-2026:82818 0 None None None 2026-10-14 09:04:05 UTC
Red Hat Product Errata RHSA-2026:83076 0 None None None 2026-10-14 16:20:45 UTC
Red Hat Product Errata RHSA-2026:83077 0 None None None 2026-10-14 16:23:36 UTC
Red Hat Product Errata RHSA-2026:83496 0 None None None 2026-10-15 07:42:05 UTC

Description OSIDB Bzimport 2026-09-15 12:52:14 UTC 
Use-after-free in the DOM: Streams component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, and Firefox ESR 153.3.
Comment 1 Jon Orris 2026-09-21 17:34:06 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 19:49:27 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
Comment 3 Jon Orris 2026-09-24 01:58:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:70642 https://access.redhat.com/errata/RHSA-2026:70642
Comment 4 Jon Orris 2026-09-24 17:37:14 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:71652 https://access.redhat.com/errata/RHSA-2026:71652
Comment 5 Jon Orris 2026-09-29 12:15:42 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:73130 https://access.redhat.com/errata/RHSA-2026:73130
Comment 6 Jon Orris 2026-09-30 14:19:40 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:73971 https://access.redhat.com/errata/RHSA-2026:73971
Comment 7 Jon Orris 2026-10-12 17:29:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:81392 https://access.redhat.com/errata/RHSA-2026:81392
Comment 8 Jon Orris 2026-10-12 17:37:15 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:81394 https://access.redhat.com/errata/RHSA-2026:81394
Comment 9 Jon Orris 2026-10-12 17:39:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:81393 https://access.redhat.com/errata/RHSA-2026:81393
Comment 10 Jon Orris 2026-10-13 04:55:57 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:81884 https://access.redhat.com/errata/RHSA-2026:81884
Comment 11 Jon Orris 2026-10-13 04:59:38 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-2026:81913 https://access.redhat.com/errata/RHSA-2026:81913
Comment 12 Jon Orris 2026-10-13 05:00:56 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-2026:81912 https://access.redhat.com/errata/RHSA-2026:81912
Comment 13 Jon Orris 2026-10-13 08:48:48 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-2026:82122 https://access.redhat.com/errata/RHSA-2026:82122
Comment 14 Jon Orris 2026-10-14 03:56:48 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-2026:82720 https://access.redhat.com/errata/RHSA-2026:82720
Comment 15 Jon Orris 2026-10-14 07:52:33 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-2026:82779 https://access.redhat.com/errata/RHSA-2026:82779
Comment 16 Jon Orris 2026-10-14 07:53:49 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:82780 https://access.redhat.com/errata/RHSA-2026:82780
Comment 17 Jon Orris 2026-10-14 09:04:03 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:82818 https://access.redhat.com/errata/RHSA-2026:82818
Comment 18 Jon Orris 2026-10-14 09:14:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:82817 https://access.redhat.com/errata/RHSA-2026:82817
Comment 19 Jon Orris 2026-10-14 16:20:44 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-2026:83076 https://access.redhat.com/errata/RHSA-2026:83076
Comment 20 Jon Orris 2026-10-14 16:23:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions

Via RHSA-2026:83077 https://access.redhat.com/errata/RHSA-2026:83077
Comment 21 Jon Orris 2026-10-15 07:42:04 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:83496 https://access.redhat.com/errata/RHSA-2026:83496
Note You need to log in before you can comment on or make changes to this bug.