Bug 2368755 (CVE-2025-5266)

Summary: CVE-2025-5266 firefox: thunderbird: Script element events leaked cross-origin resource status
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: gotiwari, jhorak, mvyas, tpopela
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Script elements loading cross-origin resources generate load and error events which can leak information enabling XS-Leaks attacks.
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

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

Comment 8 errata-xmlrpc 2025-06-09 01:54:31 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-2025:8628 https://access.redhat.com/errata/RHSA-2025:8628

Comment 9 errata-xmlrpc 2025-06-09 02:16:40 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-2025:8629 https://access.redhat.com/errata/RHSA-2025:8629

Comment 10 errata-xmlrpc 2025-06-09 02:59:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

Via RHSA-2025:8630 https://access.redhat.com/errata/RHSA-2025:8630

Comment 11 errata-xmlrpc 2025-06-09 03:18:46 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:8631 https://access.redhat.com/errata/RHSA-2025:8631

Comment 12 errata-xmlrpc 2025-06-09 04:51:50 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:8642 https://access.redhat.com/errata/RHSA-2025:8642

Comment 13 errata-xmlrpc 2025-06-10 09:38:14 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:8756 https://access.redhat.com/errata/RHSA-2025:8756

Comment 14 errata-xmlrpc 2025-06-16 05:22:47 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:9075 https://access.redhat.com/errata/RHSA-2025:9075

Comment 15 errata-xmlrpc 2025-06-16 05:26:55 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

Via RHSA-2025:9076 https://access.redhat.com/errata/RHSA-2025:9076

Comment 16 errata-xmlrpc 2025-06-16 05:27:05 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:9074 https://access.redhat.com/errata/RHSA-2025:9074

Comment 17 errata-xmlrpc 2025-06-16 05:28:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:9073 https://access.redhat.com/errata/RHSA-2025:9073

Comment 18 errata-xmlrpc 2025-06-16 05:28:54 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions

Via RHSA-2025:9077 https://access.redhat.com/errata/RHSA-2025:9077

Comment 19 errata-xmlrpc 2025-06-16 05:29:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2025:9071 https://access.redhat.com/errata/RHSA-2025:9071

Comment 20 errata-xmlrpc 2025-06-16 05:30:35 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:9072 https://access.redhat.com/errata/RHSA-2025:9072

Comment 21 errata-xmlrpc 2025-06-17 07:10:19 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-2025:9155 https://access.redhat.com/errata/RHSA-2025:9155