Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Red Hat Console
  • Get Support
  • Products

    Top Products

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Products

    Downloads and Containers

    • Downloads
    • Packages
    • Containers

    Top Resources

    • Documentation
    • Product Life Cycles
    • Product Compliance
    • Errata
  • Knowledge

    Red Hat Knowledge Center

    • Knowledgebase Solutions
    • Knowledgebase Articles
    • Customer Portal Labs
    • Errata

    Top Product Docs

    • Red Hat Enterprise Linux
    • Red Hat OpenShift
    • Red Hat Ansible Automation Platform
    All Product Docs

    Training and Certification

    • About
    • Course Index
    • Certification Index
    • Skill Assessment
  • Security

    Red Hat Product Security Center

    • Security Updates
    • Security Advisories
    • Red Hat CVE Database
    • Errata

    References

    • Security Bulletins
    • Security Measurement
    • Severity Ratings
    • Security Data

    Top Resources

    • Security Labs
    • Backporting Policies
    • Security Blog
  • Support

    Red Hat Support

    • Support Cases
    • Troubleshoot
    • Get Support
    • Contact Red Hat Support

    Red Hat Community Support

    • Customer Portal Community
    • Community Discussions
    • Red Hat Accelerator Program

    Top Resources

    • Product Life Cycles
    • Customer Portal Labs
    • Red Hat JBoss Supported Configurations
    • Red Hat Insights
Or troubleshoot an issue.

Select Your Language

  • English
  • Français
  • 한국어
  • 日本語
  • 中文 (中国)

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat OpenStack Platform
  • Red Hat OpenShift
  • Red Hat OpenShift AI
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • Red Hat OpenShift Dev Spaces
  • Red Hat OpenShift Service on AWS

Storage

  • Red Hat Gluster Storage
  • Red Hat Hyperconverged Infrastructure
  • Red Hat Ceph Storage
  • Red Hat OpenShift Data Foundation

Runtimes

  • Red Hat Runtimes
  • Red Hat JBoss Enterprise Application Platform
  • Red Hat Data Grid
  • Red Hat JBoss Web Server
  • Red Hat build of Keycloak
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Application Foundations
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
All Products
Red Hat Product Errata RHSA-2023:4956 - Security Advisory
Issued:
2023-09-04
Updated:
2023-09-04

RHSA-2023:4956 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: thunderbird security update

Type/Severity

Security Advisory: Important

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 102.15.0.

Security Fix(es):

  • Mozilla: Memory corruption in IPC CanvasTranslator (CVE-2023-4573)
  • Mozilla: Memory corruption in IPC ColorPickerShownCallback (CVE-2023-4574)
  • Mozilla: Memory corruption in IPC FilePickerShownCallback (CVE-2023-4575)
  • Mozilla: Memory corruption in JIT UpdateRegExpStatics (CVE-2023-4577)
  • Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2 (CVE-2023-4584)
  • Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2 (CVE-2023-4585)
  • Mozilla: Full screen notification obscured by file open dialog (CVE-2023-4051)
  • Mozilla: Full screen notification obscured by external program (CVE-2023-4053)
  • Mozilla: Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception (CVE-2023-4578)
  • Mozilla: Push notifications saved to disk unencrypted (CVE-2023-4580)
  • Mozilla: XLL file extensions were downloadable without warnings (CVE-2023-4581)
  • Mozilla: Browsing Context potentially not cleared when closing Private Window (CVE-2023-4583)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

All running instances of Thunderbird must be restarted for the update to take effect.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64
  • Red Hat Enterprise Linux Server - TUS 8.4 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4 x86_64

Fixes

  • BZ - 2236071 - CVE-2023-4573 Mozilla: Memory corruption in IPC CanvasTranslator
  • BZ - 2236072 - CVE-2023-4574 Mozilla: Memory corruption in IPC ColorPickerShownCallback
  • BZ - 2236073 - CVE-2023-4575 Mozilla: Memory corruption in IPC FilePickerShownCallback
  • BZ - 2236075 - CVE-2023-4577 Mozilla: Memory corruption in JIT UpdateRegExpStatics
  • BZ - 2236076 - CVE-2023-4051 Mozilla: Full screen notification obscured by file open dialog
  • BZ - 2236077 - CVE-2023-4578 Mozilla: Error reporting methods in SpiderMonkey could have triggered an Out of Memory Exception
  • BZ - 2236078 - CVE-2023-4053 Mozilla: Full screen notification obscured by external program
  • BZ - 2236079 - CVE-2023-4580 Mozilla: Push notifications saved to disk unencrypted
  • BZ - 2236080 - CVE-2023-4581 Mozilla: XLL file extensions were downloadable without warnings
  • BZ - 2236082 - CVE-2023-4583 Mozilla: Browsing Context potentially not cleared when closing Private Window
  • BZ - 2236084 - CVE-2023-4584 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
  • BZ - 2236086 - CVE-2023-4585 Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2

CVEs

  • CVE-2023-4051
  • CVE-2023-4053
  • CVE-2023-4573
  • CVE-2023-4574
  • CVE-2023-4575
  • CVE-2023-4577
  • CVE-2023-4578
  • CVE-2023-4580
  • CVE-2023-4581
  • CVE-2023-4583
  • CVE-2023-4584
  • CVE-2023-4585

References

  • https://access.redhat.com/security/updates/classification/#important
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 8.4

SRPM
thunderbird-102.15.0-1.el8_4.src.rpm SHA-256: 5f2d2adff91ccef59dc7d6e4793e0fe58702c124b388fa79bfc19d633e796ac8
x86_64
thunderbird-102.15.0-1.el8_4.x86_64.rpm SHA-256: cae681429ca184f484c2cc0e31df92c1652d323f6b59e3561a4c5d18724aba9f
thunderbird-debuginfo-102.15.0-1.el8_4.x86_64.rpm SHA-256: db2290fba3d37235564e42be6371c6fcd2618ae372273ab6244091e8dffc72c9
thunderbird-debugsource-102.15.0-1.el8_4.x86_64.rpm SHA-256: 03f7762296342ac8596320550331be64f5967a6870cdccd547f05faa830fb24e

Red Hat Enterprise Linux Server - TUS 8.4

SRPM
thunderbird-102.15.0-1.el8_4.src.rpm SHA-256: 5f2d2adff91ccef59dc7d6e4793e0fe58702c124b388fa79bfc19d633e796ac8
x86_64
thunderbird-102.15.0-1.el8_4.x86_64.rpm SHA-256: cae681429ca184f484c2cc0e31df92c1652d323f6b59e3561a4c5d18724aba9f
thunderbird-debuginfo-102.15.0-1.el8_4.x86_64.rpm SHA-256: db2290fba3d37235564e42be6371c6fcd2618ae372273ab6244091e8dffc72c9
thunderbird-debugsource-102.15.0-1.el8_4.x86_64.rpm SHA-256: 03f7762296342ac8596320550331be64f5967a6870cdccd547f05faa830fb24e

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.4

SRPM
thunderbird-102.15.0-1.el8_4.src.rpm SHA-256: 5f2d2adff91ccef59dc7d6e4793e0fe58702c124b388fa79bfc19d633e796ac8
ppc64le
thunderbird-102.15.0-1.el8_4.ppc64le.rpm SHA-256: 3745eb3d8c133f2403950311a227934686d8e03f8758712c0e29aba661dd6e3d
thunderbird-debuginfo-102.15.0-1.el8_4.ppc64le.rpm SHA-256: 77b68373a6fb5135b10520c50073ac56be623c39f967de0e3f06c57783ea14b3
thunderbird-debugsource-102.15.0-1.el8_4.ppc64le.rpm SHA-256: 3466ee4bd09fada332e28621ab6839a3b2f662e7c4732f11f276865ed5b11def

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.4

SRPM
thunderbird-102.15.0-1.el8_4.src.rpm SHA-256: 5f2d2adff91ccef59dc7d6e4793e0fe58702c124b388fa79bfc19d633e796ac8
x86_64
thunderbird-102.15.0-1.el8_4.x86_64.rpm SHA-256: cae681429ca184f484c2cc0e31df92c1652d323f6b59e3561a4c5d18724aba9f
thunderbird-debuginfo-102.15.0-1.el8_4.x86_64.rpm SHA-256: db2290fba3d37235564e42be6371c6fcd2618ae372273ab6244091e8dffc72c9
thunderbird-debugsource-102.15.0-1.el8_4.x86_64.rpm SHA-256: 03f7762296342ac8596320550331be64f5967a6870cdccd547f05faa830fb24e

The Red Hat security contact is [email protected]. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat LinkedIn YouTube Facebook X, formerly Twitter

Quick Links

  • Downloads
  • Subscriptions
  • Support Cases
  • Customer Service
  • Product Documentation

Help

  • Contact Us
  • Customer Portal FAQ
  • Log-in Assistance

Site Info

  • Trust Red Hat
  • Browser Support Policy
  • Accessibility
  • Awards and Recognition
  • Colophon

Related Sites

  • redhat.com
  • developers.redhat.com
  • connect.redhat.com
  • cloud.redhat.com

Red Hat legal and privacy links

  • About Red Hat
  • Jobs
  • Events
  • Locations
  • Contact Red Hat
  • Red Hat Blog
  • Inclusion at Red Hat
  • Cool Stuff Store
  • Red Hat Summit
© 2025 Red Hat, Inc.

Red Hat legal and privacy links

  • Privacy statement
  • Terms of use
  • All policies and guidelines
  • Digital accessibility