Bug 2420503 (CVE-2025-14321)

Summary:	CVE-2025-14321 firefox: thunderbird: Use-after-free in the WebRTC: Signaling component
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
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: Use-after-free in the WebRTC: Signaling component.	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 14:01:41 UTC

Use-after-free in the WebRTC: Signaling component. This vulnerability affects Firefox < 146 and Firefox ESR < 140.6.

Comment 1 errata-xmlrpc 2025-12-10 13:02:54 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 14:02:00 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 01:14:24 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 01:20:35 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 01:29:12 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 01:32:55 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 01:34:32 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 01:35:24 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 01:36:05 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 01:40:02 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 01:43:21 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 01:51:29 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 01:51:44 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 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 02:03:44 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 02:10:01 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