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-2023:4493 - Security Advisory
Issued:
2023-08-07
Updated:
2023-08-07

RHSA-2023:4493 - 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 8.6 Extended Update Support.

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 102.14.0.

Security Fix(es):

  • Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions (CVE-2023-4045)
  • Mozilla: Incorrect value used during WASM compilation (CVE-2023-4046)
  • Mozilla: Potential permissions request bypass via clickjacking (CVE-2023-4047)
  • Mozilla: Crash in DOMParser due to out-of-memory conditions (CVE-2023-4048)
  • Mozilla: Fix potential race conditions when releasing platform objects (CVE-2023-4049)
  • Mozilla: Stack buffer overflow in StorageManager (CVE-2023-4050)
  • Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14 (CVE-2023-4056)
  • Mozilla: Memory safety bugs fixed in Firefox ESR 115.1, and Thunderbird 115.1 (CVE-2023-4057)
  • thunderbird: File Extension Spoofing using the Text Direction Override Character (CVE-2023-3417)
  • Mozilla: Cookie jar overflow caused unexpected cookie jar state (CVE-2023-4055)

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 for x86_64 - Extended Update Support Extension 8.6 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 8.6 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.6 x86_64
  • Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6 s390x
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.6 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64

Fixes

  • BZ - 2225325 - CVE-2023-3417 thunderbird: File Extension Spoofing using the Text Direction Override Character
  • BZ - 2228360 - CVE-2023-4045 Mozilla: Offscreen Canvas could have bypassed cross-origin restrictions
  • BZ - 2228361 - CVE-2023-4046 Mozilla: Incorrect value used during WASM compilation
  • BZ - 2228362 - CVE-2023-4047 Mozilla: Potential permissions request bypass via clickjacking
  • BZ - 2228363 - CVE-2023-4048 Mozilla: Crash in DOMParser due to out-of-memory conditions
  • BZ - 2228364 - CVE-2023-4049 Mozilla: Fix potential race conditions when releasing platform objects
  • BZ - 2228365 - CVE-2023-4050 Mozilla: Stack buffer overflow in StorageManager
  • BZ - 2228367 - CVE-2023-4055 Mozilla: Cookie jar overflow caused unexpected cookie jar state
  • BZ - 2228370 - CVE-2023-4056 Mozilla: Memory safety bugs fixed in Firefox 116, Firefox ESR 115.1, Firefox ESR 102.14, Thunderbird 115.1, and Thunderbird 102.14
  • BZ - 2228371 - CVE-2023-4057 Mozilla: Memory safety bugs fixed in Firefox ESR 115.1, and Thunderbird 115.1

CVEs

  • CVE-2023-3417
  • CVE-2023-4045
  • CVE-2023-4046
  • CVE-2023-4047
  • CVE-2023-4048
  • CVE-2023-4049
  • CVE-2023-4050
  • CVE-2023-4055
  • CVE-2023-4056
  • CVE-2023-4057

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 for x86_64 - Extended Update Support 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
x86_64
thunderbird-102.14.0-1.el8_6.x86_64.rpm SHA-256: d0746ae64cbf852e4b248ba5a58e8600fc602a0b695365c058b895babc9201bf
thunderbird-debuginfo-102.14.0-1.el8_6.x86_64.rpm SHA-256: f007f654679b1d104593986aaaee6700d347ee56edfd1f37ca18c40ddc3a1308
thunderbird-debugsource-102.14.0-1.el8_6.x86_64.rpm SHA-256: aba8cb7eac2fda05552bd17e18b95c454b48507ac8c41d3adf6c0455636589e2

Red Hat Enterprise Linux for x86_64 - Extended Update Support Extension 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
x86_64
thunderbird-102.14.0-1.el8_6.x86_64.rpm SHA-256: d0746ae64cbf852e4b248ba5a58e8600fc602a0b695365c058b895babc9201bf
thunderbird-debuginfo-102.14.0-1.el8_6.x86_64.rpm SHA-256: f007f654679b1d104593986aaaee6700d347ee56edfd1f37ca18c40ddc3a1308
thunderbird-debugsource-102.14.0-1.el8_6.x86_64.rpm SHA-256: aba8cb7eac2fda05552bd17e18b95c454b48507ac8c41d3adf6c0455636589e2

Red Hat Enterprise Linux Server - AUS 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
x86_64
thunderbird-102.14.0-1.el8_6.x86_64.rpm SHA-256: d0746ae64cbf852e4b248ba5a58e8600fc602a0b695365c058b895babc9201bf
thunderbird-debuginfo-102.14.0-1.el8_6.x86_64.rpm SHA-256: f007f654679b1d104593986aaaee6700d347ee56edfd1f37ca18c40ddc3a1308
thunderbird-debugsource-102.14.0-1.el8_6.x86_64.rpm SHA-256: aba8cb7eac2fda05552bd17e18b95c454b48507ac8c41d3adf6c0455636589e2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
s390x
thunderbird-102.14.0-1.el8_6.s390x.rpm SHA-256: c5b20d5f3adee4e6b970f94f010c66b0906c3804b3151fd46594e16b39a59e3c
thunderbird-debuginfo-102.14.0-1.el8_6.s390x.rpm SHA-256: d9a668e2ff834d4ce92fe330ad13099cdccb4e5ceac47d8c8b4be0cb6eca9a6a
thunderbird-debugsource-102.14.0-1.el8_6.s390x.rpm SHA-256: cc78e44f0f395274b0f2846d8c910882dbe79ef5667051991611c5360f58b87c

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
ppc64le
thunderbird-102.14.0-1.el8_6.ppc64le.rpm SHA-256: 179320507d7e1270cc2346f8da8a11014155646435eccc9bf82b8888e7e02a91
thunderbird-debuginfo-102.14.0-1.el8_6.ppc64le.rpm SHA-256: aae6a8300466ed3363273d95b892097354c292504073eb8fd820a80340353338
thunderbird-debugsource-102.14.0-1.el8_6.ppc64le.rpm SHA-256: b9ae31e0c30f50d30e4a91ee8899ccd5dc4fb5a2abcc07ee2b4163d612c57e5f

Red Hat Enterprise Linux Server - TUS 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
x86_64
thunderbird-102.14.0-1.el8_6.x86_64.rpm SHA-256: d0746ae64cbf852e4b248ba5a58e8600fc602a0b695365c058b895babc9201bf
thunderbird-debuginfo-102.14.0-1.el8_6.x86_64.rpm SHA-256: f007f654679b1d104593986aaaee6700d347ee56edfd1f37ca18c40ddc3a1308
thunderbird-debugsource-102.14.0-1.el8_6.x86_64.rpm SHA-256: aba8cb7eac2fda05552bd17e18b95c454b48507ac8c41d3adf6c0455636589e2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
aarch64
thunderbird-102.14.0-1.el8_6.aarch64.rpm SHA-256: d449f417d9c8c83beb13b74c5c27acba26612663d6bad7b3fd1f08b7694228e1
thunderbird-debuginfo-102.14.0-1.el8_6.aarch64.rpm SHA-256: caa3f9d9e8dfce7500f8d8e7c303df763a76740d145ed73f796c043e14c6b360
thunderbird-debugsource-102.14.0-1.el8_6.aarch64.rpm SHA-256: 6592c202322ca5cf3c9fd87bd5f614072c0df062fc81eff5f2bdd06304632b78

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
ppc64le
thunderbird-102.14.0-1.el8_6.ppc64le.rpm SHA-256: 179320507d7e1270cc2346f8da8a11014155646435eccc9bf82b8888e7e02a91
thunderbird-debuginfo-102.14.0-1.el8_6.ppc64le.rpm SHA-256: aae6a8300466ed3363273d95b892097354c292504073eb8fd820a80340353338
thunderbird-debugsource-102.14.0-1.el8_6.ppc64le.rpm SHA-256: b9ae31e0c30f50d30e4a91ee8899ccd5dc4fb5a2abcc07ee2b4163d612c57e5f

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6

SRPM
thunderbird-102.14.0-1.el8_6.src.rpm SHA-256: 5c5ffe0ae441bc98e15127d413998e92d0ea00d887f108e38229d396902510b8
x86_64
thunderbird-102.14.0-1.el8_6.x86_64.rpm SHA-256: d0746ae64cbf852e4b248ba5a58e8600fc602a0b695365c058b895babc9201bf
thunderbird-debuginfo-102.14.0-1.el8_6.x86_64.rpm SHA-256: f007f654679b1d104593986aaaee6700d347ee56edfd1f37ca18c40ddc3a1308
thunderbird-debugsource-102.14.0-1.el8_6.x86_64.rpm SHA-256: aba8cb7eac2fda05552bd17e18b95c454b48507ac8c41d3adf6c0455636589e2

The Red Hat security contact is secalert@redhat.com. 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

Red Hat legal and privacy links

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