Bug 2420502 (CVE-2025-14333)

Summary:	CVE-2025-14333 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	gotiwari, jgrulich, 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 and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Memory safety bugs. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.	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 2025-12-09 14:01:37 UTC

Memory safety bugs present in Firefox ESR 140.5, Thunderbird ESR 140.5, Firefox 145 and Thunderbird 145. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6.

Comment 1 errata-xmlrpc 2025-12-10 13:02:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:23035 https://access.redhat.com/errata/RHSA-2025:23035

Comment 2 errata-xmlrpc 2025-12-10 13:26:13 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:23034 https://access.redhat.com/errata/RHSA-2025:23034

Comment 3 errata-xmlrpc 2025-12-11 14:01:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:23128 https://access.redhat.com/errata/RHSA-2025:23128

Comment 4 errata-xmlrpc 2025-12-22 13:30:23 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:23856 https://access.redhat.com/errata/RHSA-2025:23856

Comment 5 errata-xmlrpc 2026-01-05 01:14:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:0005 https://access.redhat.com/errata/RHSA-2026:0005

Comment 6 errata-xmlrpc 2026-01-05 01:20:34 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-2026:0006 https://access.redhat.com/errata/RHSA-2026:0006

Comment 7 errata-xmlrpc 2026-01-05 01:29:11 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:0025 https://access.redhat.com/errata/RHSA-2026:0025

Comment 8 errata-xmlrpc 2026-01-05 01:29:57 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2026:0024 https://access.redhat.com/errata/RHSA-2026:0024

Comment 9 errata-xmlrpc 2026-01-05 01:31:55 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2026:0007 https://access.redhat.com/errata/RHSA-2026:0007

Comment 10 errata-xmlrpc 2026-01-05 01:32:54 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-2026:0015 https://access.redhat.com/errata/RHSA-2026:0015

Comment 11 errata-xmlrpc 2026-01-05 01:33:55 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-2026:0014 https://access.redhat.com/errata/RHSA-2026:0014

Comment 12 errata-xmlrpc 2026-01-05 01:34:16 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:0020 https://access.redhat.com/errata/RHSA-2026:0020

Comment 13 errata-xmlrpc 2026-01-05 01:34:31 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2026:0018 https://access.redhat.com/errata/RHSA-2026:0018

Comment 14 errata-xmlrpc 2026-01-05 01:35:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:0004 https://access.redhat.com/errata/RHSA-2026:0004

Comment 15 errata-xmlrpc 2026-01-05 01:35:36 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:0019 https://access.redhat.com/errata/RHSA-2026:0019

Comment 16 errata-xmlrpc 2026-01-05 01:36:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions

Via RHSA-2026:0017 https://access.redhat.com/errata/RHSA-2026:0017

Comment 17 errata-xmlrpc 2026-01-05 01:37:14 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-2026:0023 https://access.redhat.com/errata/RHSA-2026:0023

Comment 18 errata-xmlrpc 2026-01-05 01:40:03 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:0003 https://access.redhat.com/errata/RHSA-2026:0003

Comment 19 errata-xmlrpc 2026-01-05 01:43:19 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:0026 https://access.redhat.com/errata/RHSA-2026:0026

Comment 20 errata-xmlrpc 2026-01-05 01:51:27 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-2026:0021 https://access.redhat.com/errata/RHSA-2026:0021

Comment 21 errata-xmlrpc 2026-01-05 01:51:41 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-2026:0022 https://access.redhat.com/errata/RHSA-2026:0022

Comment 22 errata-xmlrpc 2026-01-05 02:03:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2026:0016 https://access.redhat.com/errata/RHSA-2026:0016

Comment 23 errata-xmlrpc 2026-01-05 02:10:00 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.6 Extended Update Support

Via RHSA-2026:0013 https://access.redhat.com/errata/RHSA-2026:0013

Comment 26 errata-xmlrpc 2026-01-06 11:11:32 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:0124 https://access.redhat.com/errata/RHSA-2026:0124

Comment 27 errata-xmlrpc 2026-01-06 11:23:24 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10.0 Extended Update Support

Via RHSA-2026:0127 https://access.redhat.com/errata/RHSA-2026:0127