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Red Hat Product Errata RHSA-2021:3840 - Security Advisory
Issued:
2021-10-13
Updated:
2021-10-13

RHSA-2021:3840 - 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 8.1 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 91.2.0.

Security Fix(es):

  • Mozilla: Use-after-free in MessageTask (CVE-2021-38496)
  • Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2 (CVE-2021-38500)
  • Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2 (CVE-2021-38501)
  • Mozilla: Downgrade attack on SMTP STARTTLS connections (CVE-2021-38502)
  • rust-crossbeam-deque: race condition may lead to double free (CVE-2021-32810)
  • Mozilla: Validation message could have been overlaid on another origin (CVE-2021-38497)
  • Mozilla: Use-after-free of nsLanguageAtomService object (CVE-2021-38498)

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 - 1990342 - CVE-2021-32810 rust-crossbeam-deque: race condition may lead to double free
  • BZ - 2011097 - CVE-2021-38496 Mozilla: Use-after-free in MessageTask
  • BZ - 2011098 - CVE-2021-38497 Mozilla: Validation message could have been overlaid on another origin
  • BZ - 2011099 - CVE-2021-38498 Mozilla: Use-after-free of nsLanguageAtomService object
  • BZ - 2011100 - CVE-2021-38500 Mozilla: Memory safety bugs fixed in Firefox 93, Firefox ESR 78.15, and Firefox ESR 91.2
  • BZ - 2011101 - CVE-2021-38501 Mozilla: Memory safety bugs fixed in Firefox 93 and Firefox ESR 91.2
  • BZ - 2013469 - CVE-2021-38502 Mozilla: Downgrade attack on SMTP STARTTLS connections

CVEs

  • CVE-2021-32810
  • CVE-2021-38496
  • CVE-2021-38497
  • CVE-2021-38498
  • CVE-2021-38500
  • CVE-2021-38501
  • CVE-2021-38502

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 8.1

SRPM
thunderbird-91.2.0-1.el8_1.src.rpm SHA-256: 4d34d9801e76e19bd9752f4e9d1681107d9cc2dbf01d107c855324c121809652
x86_64
thunderbird-91.2.0-1.el8_1.x86_64.rpm SHA-256: 03abbe4edf15d0d081c0485ca0489a8cd948ba5497eac0c2195d5d04eb4446f4
thunderbird-debuginfo-91.2.0-1.el8_1.x86_64.rpm SHA-256: 3b8149e3a987ebf63adee58f4c49b6789e9a5a6a70e518f463f2dab9cc3d5433
thunderbird-debugsource-91.2.0-1.el8_1.x86_64.rpm SHA-256: a773978d0d039ba1c0fca34a9437595e387e32472ac5c946b58a2fe92e6b6c40

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

SRPM
thunderbird-91.2.0-1.el8_1.src.rpm SHA-256: 4d34d9801e76e19bd9752f4e9d1681107d9cc2dbf01d107c855324c121809652
ppc64le
thunderbird-91.2.0-1.el8_1.ppc64le.rpm SHA-256: f1ef37ef1ad8d2c559d21c35abe0e9c67b5379d5548698d06fbb7902d203527b
thunderbird-debuginfo-91.2.0-1.el8_1.ppc64le.rpm SHA-256: 14c62b3f195bf8355b6cc0b724559aeebcabb640e2a14ba6c90a0877d2b9308a
thunderbird-debugsource-91.2.0-1.el8_1.ppc64le.rpm SHA-256: c500172290afafb68e4ce0b40e26721e76b129308484c989b0f2956aa162c961

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

SRPM
thunderbird-91.2.0-1.el8_1.src.rpm SHA-256: 4d34d9801e76e19bd9752f4e9d1681107d9cc2dbf01d107c855324c121809652
ppc64le
thunderbird-91.2.0-1.el8_1.ppc64le.rpm SHA-256: f1ef37ef1ad8d2c559d21c35abe0e9c67b5379d5548698d06fbb7902d203527b
thunderbird-debuginfo-91.2.0-1.el8_1.ppc64le.rpm SHA-256: 14c62b3f195bf8355b6cc0b724559aeebcabb640e2a14ba6c90a0877d2b9308a
thunderbird-debugsource-91.2.0-1.el8_1.ppc64le.rpm SHA-256: c500172290afafb68e4ce0b40e26721e76b129308484c989b0f2956aa162c961

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

SRPM
thunderbird-91.2.0-1.el8_1.src.rpm SHA-256: 4d34d9801e76e19bd9752f4e9d1681107d9cc2dbf01d107c855324c121809652
x86_64
thunderbird-91.2.0-1.el8_1.x86_64.rpm SHA-256: 03abbe4edf15d0d081c0485ca0489a8cd948ba5497eac0c2195d5d04eb4446f4
thunderbird-debuginfo-91.2.0-1.el8_1.x86_64.rpm SHA-256: 3b8149e3a987ebf63adee58f4c49b6789e9a5a6a70e518f463f2dab9cc3d5433
thunderbird-debugsource-91.2.0-1.el8_1.x86_64.rpm SHA-256: a773978d0d039ba1c0fca34a9437595e387e32472ac5c946b58a2fe92e6b6c40

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

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