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Red Hat Product Errata RHSA-2021:0662 - Security Advisory
Issued:
2021-02-24
Updated:
2021-02-24

RHSA-2021:0662 - 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 78.8.0.

Security Fix(es):

  • Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968)
  • Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969)
  • Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)
  • Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)

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 - 1932109 - CVE-2021-23969 Mozilla: Content Security Policy violation report could have contained the destination of a redirect
  • BZ - 1932110 - CVE-2021-23968 Mozilla: Content Security Policy violation report could have contained the destination of a redirect
  • BZ - 1932111 - CVE-2021-23973 Mozilla: MediaError message property could have leaked information about cross-origin resources
  • BZ - 1932112 - CVE-2021-23978 Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8

CVEs

  • CVE-2021-23968
  • CVE-2021-23969
  • CVE-2021-23973
  • CVE-2021-23978

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-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
x86_64
thunderbird-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7c29d02f2962d0c9bfe825c3eeec096669b83244da317872aef02ff449f03c09
thunderbird-debuginfo-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7a1f2e39c01252ed47eed4fc4987bc9f029b61e3db4d620e21801fd672c7d2cc
thunderbird-debugsource-78.8.0-1.el8_2.x86_64.rpm SHA-256: ac0cb2cd0fc0caa0ffba19f0f10480c524a00327bdd7ce24e42981db831f7c5d

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
x86_64
thunderbird-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7c29d02f2962d0c9bfe825c3eeec096669b83244da317872aef02ff449f03c09
thunderbird-debuginfo-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7a1f2e39c01252ed47eed4fc4987bc9f029b61e3db4d620e21801fd672c7d2cc
thunderbird-debugsource-78.8.0-1.el8_2.x86_64.rpm SHA-256: ac0cb2cd0fc0caa0ffba19f0f10480c524a00327bdd7ce24e42981db831f7c5d

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

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
ppc64le
thunderbird-78.8.0-1.el8_2.ppc64le.rpm SHA-256: a7b7d040a86fe72b0eae466757ac5dd83d8674b71141fabecaf8538f33440fb3
thunderbird-debuginfo-78.8.0-1.el8_2.ppc64le.rpm SHA-256: 4d07d346ce284a0f0c938bfa7609e94f9ed66cc717b6308f07645a2eb9dd9b96
thunderbird-debugsource-78.8.0-1.el8_2.ppc64le.rpm SHA-256: 3d34a981cd6f397ed85b74a3eb88573bbecde7f9ee346e35357efb957f9b214c

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
x86_64
thunderbird-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7c29d02f2962d0c9bfe825c3eeec096669b83244da317872aef02ff449f03c09
thunderbird-debuginfo-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7a1f2e39c01252ed47eed4fc4987bc9f029b61e3db4d620e21801fd672c7d2cc
thunderbird-debugsource-78.8.0-1.el8_2.x86_64.rpm SHA-256: ac0cb2cd0fc0caa0ffba19f0f10480c524a00327bdd7ce24e42981db831f7c5d

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

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
aarch64
thunderbird-78.8.0-1.el8_2.aarch64.rpm SHA-256: 57c08c3d4d790d29de5b6a79f7962ff245400b6239dc2170e1ea174aff1e6d88
thunderbird-debuginfo-78.8.0-1.el8_2.aarch64.rpm SHA-256: b7cb329e4a0e8df12f99fc9cb4e5c871b7f06b378a8b9687dfc576dbd438ceba
thunderbird-debugsource-78.8.0-1.el8_2.aarch64.rpm SHA-256: fa68c04842ef710ef2b5b03c88623e49e73412c25ea08544e6d8ec1940d8bfee

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

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
ppc64le
thunderbird-78.8.0-1.el8_2.ppc64le.rpm SHA-256: a7b7d040a86fe72b0eae466757ac5dd83d8674b71141fabecaf8538f33440fb3
thunderbird-debuginfo-78.8.0-1.el8_2.ppc64le.rpm SHA-256: 4d07d346ce284a0f0c938bfa7609e94f9ed66cc717b6308f07645a2eb9dd9b96
thunderbird-debugsource-78.8.0-1.el8_2.ppc64le.rpm SHA-256: 3d34a981cd6f397ed85b74a3eb88573bbecde7f9ee346e35357efb957f9b214c

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

SRPM
thunderbird-78.8.0-1.el8_2.src.rpm SHA-256: 4737d01de31e073ec0b7aa49df2187f7321463dca64cab230d432b85ce2cd588
x86_64
thunderbird-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7c29d02f2962d0c9bfe825c3eeec096669b83244da317872aef02ff449f03c09
thunderbird-debuginfo-78.8.0-1.el8_2.x86_64.rpm SHA-256: 7a1f2e39c01252ed47eed4fc4987bc9f029b61e3db4d620e21801fd672c7d2cc
thunderbird-debugsource-78.8.0-1.el8_2.x86_64.rpm SHA-256: ac0cb2cd0fc0caa0ffba19f0f10480c524a00327bdd7ce24e42981db831f7c5d

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

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