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-2023:1803 - Security Advisory
Issued:
2023-04-17
Updated:
2023-04-17

RHSA-2023:1803 - 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 8.1 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 102.10.0.

Security Fix(es):

  • Thunderbird: Revocation status of S/Mime recipient certificates was not checked (CVE-2023-0547)
  • Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack (CVE-2023-28427)
  • Mozilla: Fullscreen notification obscured (CVE-2023-29533)
  • Mozilla: Potential Memory Corruption following Garbage Collector compaction (CVE-2023-29535)
  • Mozilla: Invalid free from JavaScript code (CVE-2023-29536)
  • Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10 (CVE-2023-29550)
  • Mozilla: Memory Corruption in Safe Browsing Code (CVE-2023-1945)
  • Thunderbird: Hang when processing certain OpenPGP messages (CVE-2023-29479)
  • Mozilla: Content-Disposition filename truncation leads to Reflected File Download (CVE-2023-29539)
  • Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux (CVE-2023-29541)
  • Mozilla: Incorrect optimization result on ARM64 (CVE-2023-29548)
  • MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp (BZ#2186102)

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 for Power LE - Update Services for SAP Solutions 8.1 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1 x86_64

Fixes

  • BZ - 2183278 - CVE-2023-28427 Mozilla: Matrix SDK bundled with Thunderbird vulnerable to denial-of-service attack
  • BZ - 2186101 - CVE-2023-29533 Mozilla: Fullscreen notification obscured
  • BZ - 2186102 - MFSA-TMP-2023-0001 Mozilla: Double-free in libwebp
  • BZ - 2186103 - CVE-2023-29535 Mozilla: Potential Memory Corruption following Garbage Collector compaction
  • BZ - 2186104 - CVE-2023-29536 Mozilla: Invalid free from JavaScript code
  • BZ - 2186105 - CVE-2023-29539 Mozilla: Content-Disposition filename truncation leads to Reflected File Download
  • BZ - 2186106 - CVE-2023-29541 Mozilla: Files with malicious extensions could have been downloaded unsafely on Linux
  • BZ - 2186109 - CVE-2023-1945 Mozilla: Memory Corruption in Safe Browsing Code
  • BZ - 2186110 - CVE-2023-29548 Mozilla: Incorrect optimization result on ARM64
  • BZ - 2186111 - CVE-2023-29550 Mozilla: Memory safety bugs fixed in Firefox 112 and Firefox ESR 102.10
  • BZ - 2186734 - CVE-2023-0547 Thunderbird: Revocation status of S/Mime recipient certificates was not checked
  • BZ - 2186735 - CVE-2023-29479 Thunderbird: Hang when processing certain OpenPGP messages

CVEs

  • CVE-2023-0547
  • CVE-2023-1945
  • CVE-2023-1999
  • CVE-2023-28427
  • CVE-2023-29479
  • CVE-2023-29533
  • CVE-2023-29535
  • CVE-2023-29536
  • CVE-2023-29539
  • CVE-2023-29541
  • CVE-2023-29548
  • CVE-2023-29550

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 for Power LE - Update Services for SAP Solutions 8.1

SRPM
thunderbird-102.10.0-2.el8_1.src.rpm SHA-256: 2a39841e7797ea6a1e1ee0ec8ad240ea6dfc89ceee70538b69d573e8d03c6b20
ppc64le
thunderbird-102.10.0-2.el8_1.ppc64le.rpm SHA-256: 3914012d0d021137d38cd9d4a4bde94325cf100f878d989c60efa2cdfdd3280f
thunderbird-debuginfo-102.10.0-2.el8_1.ppc64le.rpm SHA-256: 935009250e53ea5ac52c29d4d11be4aea134328229209ca08881eab6d4c4ec08
thunderbird-debugsource-102.10.0-2.el8_1.ppc64le.rpm SHA-256: 163154465613f00f61ffa0013c3e9a5a648a6d98500f2fca1a946ec8f0ad3df3

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.1

SRPM
thunderbird-102.10.0-2.el8_1.src.rpm SHA-256: 2a39841e7797ea6a1e1ee0ec8ad240ea6dfc89ceee70538b69d573e8d03c6b20
x86_64
thunderbird-102.10.0-2.el8_1.x86_64.rpm SHA-256: c829bdeabf5f318fd4cac1ac05f630b2de95fe0fab696247bc973d807d3f87b4
thunderbird-debuginfo-102.10.0-2.el8_1.x86_64.rpm SHA-256: 3c49a964250b15f94a1ded86ebc38af1203f3bf2c4c4cf1500d1ffd607a370a7
thunderbird-debugsource-102.10.0-2.el8_1.x86_64.rpm SHA-256: 175d34114373d5117b31ca69cf6d150aae580d8684db9ada8b89e9a3c296a560

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