Bug 2451006 (CVE-2026-3889) - CVE-2026-3889 thunderbird: Spoofing issue in Thunderbird
Summary: CVE-2026-3889 thunderbird: Spoofing issue in Thunderbird
Keywords:
Status: NEW
Alias: CVE-2026-3889
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2451013
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-03-24 21:02 UTC by OSIDB Bzimport
Modified: 2026-04-28 07:01 UTC (History)
7 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-2026:6188 0 None None None 2026-03-30 15:59:12 UTC
Red Hat Product Errata RHSA-2026:6342 0 None None None 2026-04-01 09:37:29 UTC
Red Hat Product Errata RHSA-2026:6917 0 None None None 2026-04-07 21:30:07 UTC
Red Hat Product Errata RHSA-2026:8284 0 None None None 2026-04-15 10:47:18 UTC
Red Hat Product Errata RHSA-2026:8285 0 None None None 2026-04-15 10:30:07 UTC
Red Hat Product Errata RHSA-2026:8286 0 None None None 2026-04-15 10:44:34 UTC
Red Hat Product Errata RHSA-2026:8287 0 None None None 2026-04-15 10:38:39 UTC
Red Hat Product Errata RHSA-2026:8288 0 None None None 2026-04-15 10:39:07 UTC
Red Hat Product Errata RHSA-2026:8289 0 None None None 2026-04-15 10:44:41 UTC
Red Hat Product Errata RHSA-2026:8290 0 None None None 2026-04-15 10:50:18 UTC
Red Hat Product Errata RHSA-2026:8315 0 None None None 2026-04-15 14:05:00 UTC
Red Hat Product Errata RHSA-2026:8850 0 None None None 2026-04-20 01:26:57 UTC

Description OSIDB Bzimport 2026-03-24 21:02:46 UTC 
Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.
Comment 2 errata-xmlrpc 2026-03-30 15:59:11 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:6188 https://access.redhat.com/errata/RHSA-2026:6188
Comment 3 errata-xmlrpc 2026-04-01 09:37:28 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:6342 https://access.redhat.com/errata/RHSA-2026:6342
Comment 4 errata-xmlrpc 2026-04-07 21:30:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:6917 https://access.redhat.com/errata/RHSA-2026:6917
Comment 5 errata-xmlrpc 2026-04-15 10:30:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:8285 https://access.redhat.com/errata/RHSA-2026:8285
Comment 6 errata-xmlrpc 2026-04-15 10:38:37 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:8287 https://access.redhat.com/errata/RHSA-2026:8287
Comment 7 errata-xmlrpc 2026-04-15 10:39:05 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-2026:8288 https://access.redhat.com/errata/RHSA-2026:8288
Comment 8 errata-xmlrpc 2026-04-15 10:44:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:8286 https://access.redhat.com/errata/RHSA-2026:8286
Comment 9 errata-xmlrpc 2026-04-15 10:44:39 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-2026:8289 https://access.redhat.com/errata/RHSA-2026:8289
Comment 10 errata-xmlrpc 2026-04-15 10:47:17 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:8284 https://access.redhat.com/errata/RHSA-2026:8284
Comment 11 errata-xmlrpc 2026-04-15 10:50:16 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:8290 https://access.redhat.com/errata/RHSA-2026:8290
Comment 12 errata-xmlrpc 2026-04-15 14:04:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:8315 https://access.redhat.com/errata/RHSA-2026:8315
Comment 13 errata-xmlrpc 2026-04-20 01:26:56 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-2026:8850 https://access.redhat.com/errata/RHSA-2026:8850
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