Skip to navigation Skip to main content

Utilities

  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
Red Hat Customer Portal
  • Subscriptions
  • Downloads
  • Containers
  • Support Cases
  • Products & Services

    Products

    Support

    • Production Support
    • Development Support
    • Product Life Cycles

    Services

    • Consulting
    • Technical Account Management
    • Training & Certifications

    Documentation

    • Red Hat Enterprise Linux
    • Red Hat JBoss Enterprise Application Platform
    • Red Hat OpenStack Platform
    • Red Hat OpenShift Container Platform
    All Documentation

    Ecosystem Catalog

    • Red Hat Partner Ecosystem
    • Partner Resources
  • Tools

    Tools

    • Troubleshoot a product issue
    • Packages
    • Errata

    Customer Portal Labs

    • Configuration
    • Deployment
    • Security
    • Troubleshoot
    All labs

    Red Hat Insights

    Increase visibility into IT operations to detect and resolve technical issues before they impact your business.

    Learn More
    Go to Insights
  • Security

    Red Hat Product Security Center

    Engage with our Red Hat Product Security team, access security updates, and ensure your environments are not exposed to any known security vulnerabilities.

    Product Security Center

    Security Updates

    • Security Advisories
    • Red Hat CVE Database
    • Security Labs

    Keep your systems secure with Red Hat's specialized responses to security vulnerabilities.

    View Responses

    Resources

    • Security Blog
    • Security Measurement
    • Severity Ratings
    • Backporting Policies
    • Product Signing (GPG) Keys
  • Community

    Customer Portal Community

    • Discussions
    • Private Groups
    Community Activity

    Customer Events

    • Red Hat Convergence
    • Red Hat Summit

    Stories

    • Red Hat Subscription Value
    • You Asked. We Acted.
    • Open Source Communities
Or troubleshoot an issue.

Select Your Language

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

Infrastructure and Management

  • Red Hat Enterprise Linux
  • Red Hat Virtualization
  • Red Hat Identity Management
  • Red Hat Directory Server
  • Red Hat Certificate System
  • Red Hat Satellite
  • Red Hat Subscription Management
  • Red Hat Update Infrastructure
  • Red Hat Insights
  • Red Hat Ansible Automation Platform

Cloud Computing

  • Red Hat OpenShift
  • Red Hat CloudForms
  • Red Hat OpenStack Platform
  • Red Hat OpenShift Container Platform
  • Red Hat OpenShift Data Science
  • Red Hat OpenShift Online
  • Red Hat OpenShift Dedicated
  • Red Hat Advanced Cluster Security for Kubernetes
  • Red Hat Advanced Cluster Management for Kubernetes
  • Red Hat Quay
  • 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 Single Sign On
  • Red Hat support for Spring Boot
  • Red Hat build of Node.js
  • Red Hat build of Thorntail
  • Red Hat build of Eclipse Vert.x
  • Red Hat build of OpenJDK
  • Red Hat build of Quarkus

Integration and Automation

  • Red Hat Integration
  • Red Hat Fuse
  • Red Hat AMQ
  • Red Hat 3scale API Management
  • Red Hat JBoss Data Virtualization
  • Red Hat Process Automation
  • Red Hat Process Automation Manager
  • Red Hat Decision Manager
All Products
Red Hat Product Errata RHSA-2021:2914 - Security Advisory
Issued:
2021-07-27
Updated:
2021-07-27

RHSA-2021:2914 - 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 8.2 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 78.12.0.

Security Fix(es):

  • Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed (CVE-2021-29969)
  • Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)
  • Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)
  • chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)

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 8.2 x86_64
  • Red Hat Enterprise Linux Server - AUS 8.2 x86_64
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2 ppc64le
  • Red Hat Enterprise Linux Server - TUS 8.2 x86_64
  • Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2 aarch64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2 x86_64

Fixes

  • BZ - 1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE
  • BZ - 1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document
  • BZ - 1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
  • BZ - 1982015 - CVE-2021-29969 Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed

CVEs

  • CVE-2021-29969
  • CVE-2021-29970
  • CVE-2021-29976
  • CVE-2021-30547

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 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
x86_64
thunderbird-78.12.0-2.el8_2.x86_64.rpm SHA-256: 5c9a5de98ac113c73c998d81a834b6d71c33c752062081bf8881521fdf0b4423
thunderbird-debuginfo-78.12.0-2.el8_2.x86_64.rpm SHA-256: 6ed2b9fbe5c77540827d7cae371a970411fe11da21be19696df2903463c85ac4
thunderbird-debugsource-78.12.0-2.el8_2.x86_64.rpm SHA-256: 4f94bae5acad1e1258741a1a5d5eb9703563c951ec8f53eaaf455c9a2f13e2ff

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
x86_64
thunderbird-78.12.0-2.el8_2.x86_64.rpm SHA-256: 5c9a5de98ac113c73c998d81a834b6d71c33c752062081bf8881521fdf0b4423
thunderbird-debuginfo-78.12.0-2.el8_2.x86_64.rpm SHA-256: 6ed2b9fbe5c77540827d7cae371a970411fe11da21be19696df2903463c85ac4
thunderbird-debugsource-78.12.0-2.el8_2.x86_64.rpm SHA-256: 4f94bae5acad1e1258741a1a5d5eb9703563c951ec8f53eaaf455c9a2f13e2ff

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
ppc64le
thunderbird-78.12.0-2.el8_2.ppc64le.rpm SHA-256: 7b41b9bb7429cdaaf641192bc37671b7466580dd37138dd0b726bf372130b7f9
thunderbird-debuginfo-78.12.0-2.el8_2.ppc64le.rpm SHA-256: 32dab67be7285cd820f6b52cb54f88b3779e92174447e22eeb2d5c7e904f5d6e
thunderbird-debugsource-78.12.0-2.el8_2.ppc64le.rpm SHA-256: b101e953a95c5f23ba0e6ce36243f3fa4d03ab4b1e1232c094fdd26c65070e56

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
x86_64
thunderbird-78.12.0-2.el8_2.x86_64.rpm SHA-256: 5c9a5de98ac113c73c998d81a834b6d71c33c752062081bf8881521fdf0b4423
thunderbird-debuginfo-78.12.0-2.el8_2.x86_64.rpm SHA-256: 6ed2b9fbe5c77540827d7cae371a970411fe11da21be19696df2903463c85ac4
thunderbird-debugsource-78.12.0-2.el8_2.x86_64.rpm SHA-256: 4f94bae5acad1e1258741a1a5d5eb9703563c951ec8f53eaaf455c9a2f13e2ff

Red Hat Enterprise Linux for ARM 64 - Extended Update Support 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
aarch64
thunderbird-78.12.0-2.el8_2.aarch64.rpm SHA-256: 5dfa12ae9e9a2f1c20044a66a982e881a306ae2144ef44fc6e6595f9f9f18d82
thunderbird-debuginfo-78.12.0-2.el8_2.aarch64.rpm SHA-256: b79d0e56728714613a2f2515046fa0bd532eb60df9c734b5f0f655c514d1672d
thunderbird-debugsource-78.12.0-2.el8_2.aarch64.rpm SHA-256: 4cdb3bf08ea4bbdee071e93a29977069940141af5b74ed815dd3af404bf0d555

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
ppc64le
thunderbird-78.12.0-2.el8_2.ppc64le.rpm SHA-256: 7b41b9bb7429cdaaf641192bc37671b7466580dd37138dd0b726bf372130b7f9
thunderbird-debuginfo-78.12.0-2.el8_2.ppc64le.rpm SHA-256: 32dab67be7285cd820f6b52cb54f88b3779e92174447e22eeb2d5c7e904f5d6e
thunderbird-debugsource-78.12.0-2.el8_2.ppc64le.rpm SHA-256: b101e953a95c5f23ba0e6ce36243f3fa4d03ab4b1e1232c094fdd26c65070e56

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.2

SRPM
thunderbird-78.12.0-2.el8_2.src.rpm SHA-256: 2056404fcf1fe800a6ba03413cfb8fb0770e80123999e2b372c30eb246942496
x86_64
thunderbird-78.12.0-2.el8_2.x86_64.rpm SHA-256: 5c9a5de98ac113c73c998d81a834b6d71c33c752062081bf8881521fdf0b4423
thunderbird-debuginfo-78.12.0-2.el8_2.x86_64.rpm SHA-256: 6ed2b9fbe5c77540827d7cae371a970411fe11da21be19696df2903463c85ac4
thunderbird-debugsource-78.12.0-2.el8_2.x86_64.rpm SHA-256: 4f94bae5acad1e1258741a1a5d5eb9703563c951ec8f53eaaf455c9a2f13e2ff

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

Red Hat

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

About

  • Red Hat Subscription Value
  • About Red Hat
  • Red Hat Jobs
Copyright © 2023 Red Hat, Inc.
  • Privacy Statement
  • Customer Portal Terms of Use
  • All Policies and Guidelines
Red Hat Summit
Twitter