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Red Hat Product Errata RHSA-2021:1190 - Security Advisory
Issued:
2021-04-14
Updated:
2021-04-14

RHSA-2021:1190 - 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 8.1 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 8.1 x86_64
  • Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1 ppc64le
  • 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 - 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 8.1

SRPM
thunderbird-78.9.1-1.el8_1.src.rpm SHA-256: df3e0ee2b3afd5bcb94aaf3fbf6c7c4f933dd7eec3fefb6c3b9609eddde44ebf
x86_64
thunderbird-78.9.1-1.el8_1.x86_64.rpm SHA-256: 15b61b052a3bb313c9a27f1b5818604bf95c647c636d9432c457131d6d0dcf66
thunderbird-debuginfo-78.9.1-1.el8_1.x86_64.rpm SHA-256: fa388a91f65dbe64f368505b89f27512e9f474d57d18d0eb2709173f9fd84153
thunderbird-debugsource-78.9.1-1.el8_1.x86_64.rpm SHA-256: 8679adc24ae7314bf9afd14b1336d6d73b93cdfdf3a0b5c8f5eb9b066481fdad

Red Hat Enterprise Linux for Power, little endian - Extended Update Support 8.1

SRPM
thunderbird-78.9.1-1.el8_1.src.rpm SHA-256: df3e0ee2b3afd5bcb94aaf3fbf6c7c4f933dd7eec3fefb6c3b9609eddde44ebf
ppc64le
thunderbird-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 6d2c171a06a59deda9a22b35cc87db83b8108c677cb640861d51e90ce4844c06
thunderbird-debuginfo-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 9bb3931ed9e8e979700e554e9b30630209dc2e787c4a419ccde7af8c323416f8
thunderbird-debugsource-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 8716e8d5b71f7e40d5562b79a72964b36a5af1a37d0144fd32d10e555efc09c4

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.1

SRPM
thunderbird-78.9.1-1.el8_1.src.rpm SHA-256: df3e0ee2b3afd5bcb94aaf3fbf6c7c4f933dd7eec3fefb6c3b9609eddde44ebf
ppc64le
thunderbird-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 6d2c171a06a59deda9a22b35cc87db83b8108c677cb640861d51e90ce4844c06
thunderbird-debuginfo-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 9bb3931ed9e8e979700e554e9b30630209dc2e787c4a419ccde7af8c323416f8
thunderbird-debugsource-78.9.1-1.el8_1.ppc64le.rpm SHA-256: 8716e8d5b71f7e40d5562b79a72964b36a5af1a37d0144fd32d10e555efc09c4

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

SRPM
thunderbird-78.9.1-1.el8_1.src.rpm SHA-256: df3e0ee2b3afd5bcb94aaf3fbf6c7c4f933dd7eec3fefb6c3b9609eddde44ebf
x86_64
thunderbird-78.9.1-1.el8_1.x86_64.rpm SHA-256: 15b61b052a3bb313c9a27f1b5818604bf95c647c636d9432c457131d6d0dcf66
thunderbird-debuginfo-78.9.1-1.el8_1.x86_64.rpm SHA-256: fa388a91f65dbe64f368505b89f27512e9f474d57d18d0eb2709173f9fd84153
thunderbird-debugsource-78.9.1-1.el8_1.x86_64.rpm SHA-256: 8679adc24ae7314bf9afd14b1336d6d73b93cdfdf3a0b5c8f5eb9b066481fdad

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

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