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Red Hat Product Errata RHSA-2020:5231 - Security Advisory
Issued:
2020-11-30
Updated:
2020-11-30

RHSA-2020:5231 - 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 78.5.0.

Security Fix(es):

  • Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code (CVE-2020-26951)
  • Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5 (CVE-2020-26968)
  • Mozilla: Variable time processing of cross-origin images during drawImage calls (CVE-2020-16012)
  • Mozilla: Fullscreen could be enabled without displaying the security UI (CVE-2020-26953)
  • Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)
  • Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions (CVE-2020-26958)
  • Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)
  • Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)
  • Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)
  • Mozilla: Software keyboards may have remembered typed passwords (CVE-2020-26965)

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 - 1898731 - CVE-2020-26951 Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code
  • BZ - 1898732 - CVE-2020-16012 Mozilla: Variable time processing of cross-origin images during drawImage calls
  • BZ - 1898733 - CVE-2020-26953 Mozilla: Fullscreen could be enabled without displaying the security UI
  • BZ - 1898734 - CVE-2020-26956 Mozilla: XSS through paste (manual and clipboard API)
  • BZ - 1898735 - CVE-2020-26958 Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions
  • BZ - 1898736 - CVE-2020-26959 Mozilla: Use-after-free in WebRequestService
  • BZ - 1898737 - CVE-2020-26960 Mozilla: Potential use-after-free in uses of nsTArray
  • BZ - 1898738 - CVE-2020-26961 Mozilla: DoH did not filter IPv4 mapped IP Addresses
  • BZ - 1898739 - CVE-2020-26965 Mozilla: Software keyboards may have remembered typed passwords
  • BZ - 1898741 - CVE-2020-26968 Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5

CVEs

  • CVE-2020-16012
  • CVE-2020-26951
  • CVE-2020-26953
  • CVE-2020-26956
  • CVE-2020-26958
  • CVE-2020-26959
  • CVE-2020-26960
  • CVE-2020-26961
  • CVE-2020-26965
  • CVE-2020-26968

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-78.5.0-1.el8_1.src.rpm SHA-256: 2d900cd908ad367bf7b4e5ef58c42877b7e0369ca911befa78acc8424571d3fe
x86_64
thunderbird-78.5.0-1.el8_1.x86_64.rpm SHA-256: bc40583246492197b1b35aa41d039b4dbac600952eff1f12025468017326422f
thunderbird-debuginfo-78.5.0-1.el8_1.x86_64.rpm SHA-256: c62cff0a53544e7ed486994e2b67e52c44c89f234bfaf080990fba45f61e6d4a
thunderbird-debugsource-78.5.0-1.el8_1.x86_64.rpm SHA-256: fb33ebdd0724f26e00bc73d2c8a8c0b7422cb0cff26b8e79847ba59900808206

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

SRPM
thunderbird-78.5.0-1.el8_1.src.rpm SHA-256: 2d900cd908ad367bf7b4e5ef58c42877b7e0369ca911befa78acc8424571d3fe
ppc64le
thunderbird-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 22121903a09eb23bbce23865527008339167bb02feb2c3af81dcaa0a25ce14fb
thunderbird-debuginfo-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 07499cf3f7388f2765490f85aedeab42de8fb5d8662442c3216e1e659e8e096e
thunderbird-debugsource-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 0018bb3587c05b112231f4cb5c0ccb52eaa7c66725b63bac648835f897f0803c

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

SRPM
thunderbird-78.5.0-1.el8_1.src.rpm SHA-256: 2d900cd908ad367bf7b4e5ef58c42877b7e0369ca911befa78acc8424571d3fe
ppc64le
thunderbird-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 22121903a09eb23bbce23865527008339167bb02feb2c3af81dcaa0a25ce14fb
thunderbird-debuginfo-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 07499cf3f7388f2765490f85aedeab42de8fb5d8662442c3216e1e659e8e096e
thunderbird-debugsource-78.5.0-1.el8_1.ppc64le.rpm SHA-256: 0018bb3587c05b112231f4cb5c0ccb52eaa7c66725b63bac648835f897f0803c

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

SRPM
thunderbird-78.5.0-1.el8_1.src.rpm SHA-256: 2d900cd908ad367bf7b4e5ef58c42877b7e0369ca911befa78acc8424571d3fe
x86_64
thunderbird-78.5.0-1.el8_1.x86_64.rpm SHA-256: bc40583246492197b1b35aa41d039b4dbac600952eff1f12025468017326422f
thunderbird-debuginfo-78.5.0-1.el8_1.x86_64.rpm SHA-256: c62cff0a53544e7ed486994e2b67e52c44c89f234bfaf080990fba45f61e6d4a
thunderbird-debugsource-78.5.0-1.el8_1.x86_64.rpm SHA-256: fb33ebdd0724f26e00bc73d2c8a8c0b7422cb0cff26b8e79847ba59900808206

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

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