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Red Hat Product Errata RHSA-2021:1201 - Security Advisory
Issued:
2021-04-14
Updated:
2021-04-14

RHSA-2021:1201 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: thunderbird security update

Type/Severity

Security Advisory: Moderate

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 Moderate. 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 78.9.1.

Security Fix(es):

  • Mozilla: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key (CVE-2021-23991)
  • Mozilla: A crafted OpenPGP key with an invalid user ID could be used to confuse the user (CVE-2021-23992)
  • Mozilla: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key (CVE-2021-23993)

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 - 1948393 - CVE-2021-23991 Mozilla: An attacker may use Thunderbird's OpenPGP key refresh mechanism to poison an existing key
  • BZ - 1948394 - CVE-2021-23992 Mozilla: A crafted OpenPGP key with an invalid user ID could be used to confuse the user
  • BZ - 1948395 - CVE-2021-23993 Mozilla: Inability to send encrypted OpenPGP email after importing a crafted OpenPGP key

CVEs

  • CVE-2021-23991
  • CVE-2021-23992
  • CVE-2021-23993
  • CVE-2021-29949
  • CVE-2021-29950

References

  • https://access.redhat.com/security/updates/classification/#moderate
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-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
x86_64
thunderbird-78.9.1-1.el8_2.x86_64.rpm SHA-256: ea07a5b89ac8903a1f6ac7f73665c1aaac8f2de8f4422954dcd88b594a819d46
thunderbird-debuginfo-78.9.1-1.el8_2.x86_64.rpm SHA-256: cb07092802e886d7c0f96571eed41badb1874ee22a3e0200ba4195a25b56618c
thunderbird-debugsource-78.9.1-1.el8_2.x86_64.rpm SHA-256: 2865c2587681a61df401073e7430be4efd3a796b04c9b3cd5ce8b0072cb31fa4

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
x86_64
thunderbird-78.9.1-1.el8_2.x86_64.rpm SHA-256: ea07a5b89ac8903a1f6ac7f73665c1aaac8f2de8f4422954dcd88b594a819d46
thunderbird-debuginfo-78.9.1-1.el8_2.x86_64.rpm SHA-256: cb07092802e886d7c0f96571eed41badb1874ee22a3e0200ba4195a25b56618c
thunderbird-debugsource-78.9.1-1.el8_2.x86_64.rpm SHA-256: 2865c2587681a61df401073e7430be4efd3a796b04c9b3cd5ce8b0072cb31fa4

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

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
ppc64le
thunderbird-78.9.1-1.el8_2.ppc64le.rpm SHA-256: 7e8f28a6adfa28c43bb8e357834cf7d18872075985dc14b35e411bbd4cb9bb36
thunderbird-debuginfo-78.9.1-1.el8_2.ppc64le.rpm SHA-256: ee9f50df6c66caed2aebe6a184ea8e637fd33bd500c9ba6cc6967fd75a4d6d89
thunderbird-debugsource-78.9.1-1.el8_2.ppc64le.rpm SHA-256: bcba0f48a83ad0ea96af4b76b8b67cbf7b41002bd566ea35f4f7f35a98fd5f5a

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
x86_64
thunderbird-78.9.1-1.el8_2.x86_64.rpm SHA-256: ea07a5b89ac8903a1f6ac7f73665c1aaac8f2de8f4422954dcd88b594a819d46
thunderbird-debuginfo-78.9.1-1.el8_2.x86_64.rpm SHA-256: cb07092802e886d7c0f96571eed41badb1874ee22a3e0200ba4195a25b56618c
thunderbird-debugsource-78.9.1-1.el8_2.x86_64.rpm SHA-256: 2865c2587681a61df401073e7430be4efd3a796b04c9b3cd5ce8b0072cb31fa4

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

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
aarch64
thunderbird-78.9.1-1.el8_2.aarch64.rpm SHA-256: 4e764c833c9ec4cbb31a7c6619a52bcfd47d49b478114a35be8bfdeac7d124f1
thunderbird-debuginfo-78.9.1-1.el8_2.aarch64.rpm SHA-256: 916df86f856f8aad01e7eadd7a466c2b0e43ec605060b4e2a08c76c846db79c0
thunderbird-debugsource-78.9.1-1.el8_2.aarch64.rpm SHA-256: 80b08cad18320b4e3f86e1f42781681351f082fa267b455cd30ddbdbb12756c4

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

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
ppc64le
thunderbird-78.9.1-1.el8_2.ppc64le.rpm SHA-256: 7e8f28a6adfa28c43bb8e357834cf7d18872075985dc14b35e411bbd4cb9bb36
thunderbird-debuginfo-78.9.1-1.el8_2.ppc64le.rpm SHA-256: ee9f50df6c66caed2aebe6a184ea8e637fd33bd500c9ba6cc6967fd75a4d6d89
thunderbird-debugsource-78.9.1-1.el8_2.ppc64le.rpm SHA-256: bcba0f48a83ad0ea96af4b76b8b67cbf7b41002bd566ea35f4f7f35a98fd5f5a

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

SRPM
thunderbird-78.9.1-1.el8_2.src.rpm SHA-256: b4f4d88d1009d5bbbc906d7dc6f48c7154d37fb1ed6a622075b12faa1bf6f2b8
x86_64
thunderbird-78.9.1-1.el8_2.x86_64.rpm SHA-256: ea07a5b89ac8903a1f6ac7f73665c1aaac8f2de8f4422954dcd88b594a819d46
thunderbird-debuginfo-78.9.1-1.el8_2.x86_64.rpm SHA-256: cb07092802e886d7c0f96571eed41badb1874ee22a3e0200ba4195a25b56618c
thunderbird-debugsource-78.9.1-1.el8_2.x86_64.rpm SHA-256: 2865c2587681a61df401073e7430be4efd3a796b04c9b3cd5ce8b0072cb31fa4

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

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