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Red Hat Product Errata RHSA-2021:3161 - Security Advisory
Issued:
2021-08-16
Updated:
2021-08-16

RHSA-2021:3161 - 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 78.13.0.

Security Fix(es):

  • Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980)
  • Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984)
  • Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986)
  • Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988)
  • Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989)
  • Mozilla: Use-after-free media channels (CVE-2021-29985)

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 - 1992417 - CVE-2021-29986 Mozilla: Race condition when resolving DNS names could have led to memory corruption
  • BZ - 1992419 - CVE-2021-29988 Mozilla: Memory corruption as a result of incorrect style treatment
  • BZ - 1992420 - CVE-2021-29984 Mozilla: Incorrect instruction reordering during JIT optimization
  • BZ - 1992421 - CVE-2021-29980 Mozilla: Uninitialized memory in a canvas object could have led to memory corruption
  • BZ - 1992422 - CVE-2021-29985 Mozilla: Use-after-free media channels
  • BZ - 1992423 - CVE-2021-29989 Mozilla: Memory safety bugs fixed in Thunderbird 78.13

CVEs

  • CVE-2021-29980
  • CVE-2021-29984
  • CVE-2021-29985
  • CVE-2021-29986
  • CVE-2021-29988
  • CVE-2021-29989

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-78.13.0-1.el8_1.src.rpm SHA-256: 8e313e262d521a6270aede1e10fced491fbefd01706c7417bbaa5f79c76c0e08
x86_64
thunderbird-78.13.0-1.el8_1.x86_64.rpm SHA-256: 3f8b5dad6766ff601286aaf94874db04507ef83420bdce2f84241c4da1fbb6cf
thunderbird-debuginfo-78.13.0-1.el8_1.x86_64.rpm SHA-256: 84b16cdc7f11840414efbbd89edb283e0dcd73367411c1b47cb0b477c4028fb8
thunderbird-debugsource-78.13.0-1.el8_1.x86_64.rpm SHA-256: 80eaea9fbea463ce6a02b7672b8bf54cee94fee0cdcb66bc9b35336837c2e0fd

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

SRPM
thunderbird-78.13.0-1.el8_1.src.rpm SHA-256: 8e313e262d521a6270aede1e10fced491fbefd01706c7417bbaa5f79c76c0e08
ppc64le
thunderbird-78.13.0-1.el8_1.ppc64le.rpm SHA-256: 57533e0de14df8603fb8300dafc29047213c53f8ab62380e9ec60a28a016fb7a
thunderbird-debuginfo-78.13.0-1.el8_1.ppc64le.rpm SHA-256: a1c759c5cd55dc9173a2bd8f0f8adff71abe015f986b76422687750580e7cf5e
thunderbird-debugsource-78.13.0-1.el8_1.ppc64le.rpm SHA-256: deb8cc10a58081b5b5a3589b89c1d3affa3c4480ad572bb9bc472f41e81e0e66

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

SRPM
thunderbird-78.13.0-1.el8_1.src.rpm SHA-256: 8e313e262d521a6270aede1e10fced491fbefd01706c7417bbaa5f79c76c0e08
ppc64le
thunderbird-78.13.0-1.el8_1.ppc64le.rpm SHA-256: 57533e0de14df8603fb8300dafc29047213c53f8ab62380e9ec60a28a016fb7a
thunderbird-debuginfo-78.13.0-1.el8_1.ppc64le.rpm SHA-256: a1c759c5cd55dc9173a2bd8f0f8adff71abe015f986b76422687750580e7cf5e
thunderbird-debugsource-78.13.0-1.el8_1.ppc64le.rpm SHA-256: deb8cc10a58081b5b5a3589b89c1d3affa3c4480ad572bb9bc472f41e81e0e66

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

SRPM
thunderbird-78.13.0-1.el8_1.src.rpm SHA-256: 8e313e262d521a6270aede1e10fced491fbefd01706c7417bbaa5f79c76c0e08
x86_64
thunderbird-78.13.0-1.el8_1.x86_64.rpm SHA-256: 3f8b5dad6766ff601286aaf94874db04507ef83420bdce2f84241c4da1fbb6cf
thunderbird-debuginfo-78.13.0-1.el8_1.x86_64.rpm SHA-256: 84b16cdc7f11840414efbbd89edb283e0dcd73367411c1b47cb0b477c4028fb8
thunderbird-debugsource-78.13.0-1.el8_1.x86_64.rpm SHA-256: 80eaea9fbea463ce6a02b7672b8bf54cee94fee0cdcb66bc9b35336837c2e0fd

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

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