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-2020:0576 - Security Advisory
Issued:
2020-02-24
Updated:
2020-02-24

RHSA-2020:0576 - 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 7.

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 68.5.0.

Security Fix(es):

  • Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5 (CVE-2020-6800)
  • Mozilla: Out-of-bounds read when processing certain email messages (CVE-2020-6793)
  • Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords (CVE-2020-6794)
  • Mozilla: Crash processing S/MIME messages with multiple signatures (CVE-2020-6795)
  • Mozilla: Incorrect parsing of template tag could result in JavaScript injection (CVE-2020-6798)
  • Mozilla: Message ID calculation was based on uninitialized data (CVE-2020-6792)

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 7 x86_64
  • Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7 x86_64
  • Red Hat Enterprise Linux Server - AUS 7.7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64
  • Red Hat Enterprise Linux Workstation 7 x86_64
  • Red Hat Enterprise Linux Desktop 7 x86_64
  • Red Hat Enterprise Linux for Power, little endian 7 ppc64le
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7 ppc64le
  • Red Hat Enterprise Linux Server - TUS 7.7 x86_64
  • Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7 ppc64le
  • Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7 x86_64
  • Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le

Fixes

  • BZ - 1801918 - CVE-2020-6798 Mozilla: Incorrect parsing of template tag could result in JavaScript injection
  • BZ - 1801920 - CVE-2020-6800 Mozilla: Memory safety bugs fixed in Firefox 73 and Firefox ESR 68.5
  • BZ - 1801955 - CVE-2020-6793 Mozilla: Out-of-bounds read when processing certain email messages
  • BZ - 1801956 - CVE-2020-6794 Mozilla: Setting a master password post-Thunderbird 52 does not delete unencrypted previously stored passwords
  • BZ - 1801957 - CVE-2020-6795 Mozilla: Crash processing S/MIME messages with multiple signatures
  • BZ - 1801958 - CVE-2020-6792 Mozilla: Message ID calculation was based on uninitialized data

CVEs

  • CVE-2020-6792
  • CVE-2020-6793
  • CVE-2020-6794
  • CVE-2020-6795
  • CVE-2020-6798
  • CVE-2020-6800

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://www.mozilla.org/en-US/security/advisories/mfsa2020-07/
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux for x86_64 - Extended Update Support 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Server - AUS 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Server - Extended Life Cycle Support 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Workstation 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Desktop 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux for Power, little endian 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
ppc64le
thunderbird-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 8010793e7aed26e44604b96737f99b09b6adbcfc09faa67cd5a8615055293446
thunderbird-debuginfo-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 636130c707de62625cf03e927297767f2c40be371717d648c335fa0458ddf979

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
ppc64le
thunderbird-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 8010793e7aed26e44604b96737f99b09b6adbcfc09faa67cd5a8615055293446
thunderbird-debuginfo-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 636130c707de62625cf03e927297767f2c40be371717d648c335fa0458ddf979

Red Hat Enterprise Linux Server - TUS 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
ppc64le
thunderbird-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 8010793e7aed26e44604b96737f99b09b6adbcfc09faa67cd5a8615055293446
thunderbird-debuginfo-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 636130c707de62625cf03e927297767f2c40be371717d648c335fa0458ddf979

Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 7.7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
x86_64
thunderbird-68.5.0-1.el7_7.x86_64.rpm SHA-256: 85123fd8976d45e7ce58174dad3ae67b7b4a1b2250afb1c70c46996e0b0ade7b
thunderbird-debuginfo-68.5.0-1.el7_7.x86_64.rpm SHA-256: 6014ac5c04e01e5312274e79c1c91f59188ca9e0f7ec4a9b375a425a41abd7bf

Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7

SRPM
thunderbird-68.5.0-1.el7_7.src.rpm SHA-256: efaea516a2c89124f9875b542c1a67a9889969a7075459932589bb4fc3581277
ppc64le
thunderbird-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 8010793e7aed26e44604b96737f99b09b6adbcfc09faa67cd5a8615055293446
thunderbird-debuginfo-68.5.0-1.el7_7.ppc64le.rpm SHA-256: 636130c707de62625cf03e927297767f2c40be371717d648c335fa0458ddf979

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