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Red Hat Product Errata RHSA-2021:2882 - Security Advisory
Issued:
2021-07-26
Updated:
2021-07-26

RHSA-2021:2882 - 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 78.12.0.

Security Fix(es):

  • Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed (CVE-2021-29969)
  • Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)
  • Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)
  • chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)

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 - 1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE
  • BZ - 1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document
  • BZ - 1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
  • BZ - 1982015 - CVE-2021-29969 Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed

CVEs

  • CVE-2021-29969
  • CVE-2021-29970
  • CVE-2021-29976
  • CVE-2021-30547

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-78.12.0-2.el8_1.src.rpm SHA-256: 24a6c5824f8d1e63282324cfb289204d39dc57d1ac174d84f2713e4c7eeb29b1
x86_64
thunderbird-78.12.0-2.el8_1.x86_64.rpm SHA-256: 31552e74c0f519577d33438f853bb34c213cc52578c679ec02ffe247016d0154
thunderbird-debuginfo-78.12.0-2.el8_1.x86_64.rpm SHA-256: 918b10d1b497b641be63451257c2f61ea7ffb7a38f4c1bb8ce3bdf2eafffd0db
thunderbird-debugsource-78.12.0-2.el8_1.x86_64.rpm SHA-256: 4d066b6a8332d638ad0f5770b9ceab90bddef72e794f1be5cd03ce89567a1995

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

SRPM
thunderbird-78.12.0-2.el8_1.src.rpm SHA-256: 24a6c5824f8d1e63282324cfb289204d39dc57d1ac174d84f2713e4c7eeb29b1
ppc64le
thunderbird-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 73088722fe7048af9354496b60a9e72f61abbb4ba0a257540669cb751b70eb01
thunderbird-debuginfo-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 62c6d39eb4bf4e1a14ce2392c6db9db9b7c7e432d6344fa050b86e7974cb6100
thunderbird-debugsource-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 38f5f3bd243459b5fddf445a067ed1821dc41795dd3f87b75527b879e1dd972d

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

SRPM
thunderbird-78.12.0-2.el8_1.src.rpm SHA-256: 24a6c5824f8d1e63282324cfb289204d39dc57d1ac174d84f2713e4c7eeb29b1
ppc64le
thunderbird-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 73088722fe7048af9354496b60a9e72f61abbb4ba0a257540669cb751b70eb01
thunderbird-debuginfo-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 62c6d39eb4bf4e1a14ce2392c6db9db9b7c7e432d6344fa050b86e7974cb6100
thunderbird-debugsource-78.12.0-2.el8_1.ppc64le.rpm SHA-256: 38f5f3bd243459b5fddf445a067ed1821dc41795dd3f87b75527b879e1dd972d

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

SRPM
thunderbird-78.12.0-2.el8_1.src.rpm SHA-256: 24a6c5824f8d1e63282324cfb289204d39dc57d1ac174d84f2713e4c7eeb29b1
x86_64
thunderbird-78.12.0-2.el8_1.x86_64.rpm SHA-256: 31552e74c0f519577d33438f853bb34c213cc52578c679ec02ffe247016d0154
thunderbird-debuginfo-78.12.0-2.el8_1.x86_64.rpm SHA-256: 918b10d1b497b641be63451257c2f61ea7ffb7a38f4c1bb8ce3bdf2eafffd0db
thunderbird-debugsource-78.12.0-2.el8_1.x86_64.rpm SHA-256: 4d066b6a8332d638ad0f5770b9ceab90bddef72e794f1be5cd03ce89567a1995

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

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