Bug 2368755 (CVE-2025-5266) - CVE-2025-5266 firefox: thunderbird: Script element events leaked cross-origin resource status
Summary: CVE-2025-5266 firefox: thunderbird: Script element events leaked cross-origin...
Keywords:
Status: NEW
Alias: CVE-2025-5266
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-05-27 13:01 UTC by OSIDB Bzimport
Modified: 2025-06-05 18:54 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-2025:8293 0 None None None 2025-05-29 07:11:25 UTC
Red Hat Product Errata RHSA-2025:8308 0 None None None 2025-05-29 11:26:47 UTC
Red Hat Product Errata RHSA-2025:8341 0 None None None 2025-06-02 02:10:08 UTC
Red Hat Product Errata RHSA-2025:8598 0 None None None 2025-06-05 12:23:47 UTC
Red Hat Product Errata RHSA-2025:8599 0 None None None 2025-06-05 12:29:56 UTC
Red Hat Product Errata RHSA-2025:8607 0 None None None 2025-06-05 18:54:44 UTC
Red Hat Product Errata RHSA-2025:8608 0 None None None 2025-06-05 17:13:36 UTC

Description OSIDB Bzimport 2025-05-27 13:01:37 UTC 
Script elements loading cross-origin resources generated load and error events which leaked information enabling XS-Leaks attacks. This vulnerability affects Firefox < 139 and Firefox ESR < 128.11.
Comment 1 errata-xmlrpc 2025-05-29 07:11:24 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:8293 https://access.redhat.com/errata/RHSA-2025:8293
Comment 2 errata-xmlrpc 2025-05-29 11:26:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:8308 https://access.redhat.com/errata/RHSA-2025:8308
Comment 3 errata-xmlrpc 2025-06-02 02:10:06 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:8341 https://access.redhat.com/errata/RHSA-2025:8341
Comment 4 errata-xmlrpc 2025-06-05 12:23:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:8598 https://access.redhat.com/errata/RHSA-2025:8598
Comment 5 errata-xmlrpc 2025-06-05 12:29:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:8599 https://access.redhat.com/errata/RHSA-2025:8599
Comment 6 errata-xmlrpc 2025-06-05 17:13:34 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:8608 https://access.redhat.com/errata/RHSA-2025:8608
Comment 7 errata-xmlrpc 2025-06-05 18:54:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:8607 https://access.redhat.com/errata/RHSA-2025:8607
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