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Red Hat Product Errata RHSA-2020:5622 - Security Advisory
Issued:
2020-12-17
Updated:
2020-12-17

RHSA-2020:5622 - 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 78.6.0.

Security Fix(es):

  • chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)
  • Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)
  • Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)
  • Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)
  • Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)
  • Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)
  • Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)

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 - 1904515 - CVE-2020-16042 chromium-browser: Uninitialized Use in V8
  • BZ - 1908022 - CVE-2020-26971 Mozilla: Heap buffer overflow in WebGL
  • BZ - 1908023 - CVE-2020-26973 Mozilla: CSS Sanitizer performed incorrect sanitization
  • BZ - 1908024 - CVE-2020-26974 Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free
  • BZ - 1908025 - CVE-2020-26978 Mozilla: Internal network hosts could have been probed by a malicious webpage
  • BZ - 1908027 - CVE-2020-35111 Mozilla: The proxy.onRequest API did not catch view-source URLs
  • BZ - 1908029 - CVE-2020-35113 Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6

CVEs

  • CVE-2020-16042
  • CVE-2020-26971
  • CVE-2020-26973
  • CVE-2020-26974
  • CVE-2020-26978
  • CVE-2020-35111
  • CVE-2020-35113

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-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
x86_64
thunderbird-78.6.0-1.el8_2.x86_64.rpm SHA-256: cf6a8705267f8244f9c3bd8c6ad6659fdc17452a1bf1328368b847b47a604eec
thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm SHA-256: f76febc1953befc1fbf70e4398e251116e3be504446ee0a24fec45f0569fe5ea
thunderbird-debugsource-78.6.0-1.el8_2.x86_64.rpm SHA-256: 18d57c55e2489401250c16dec2193f375d68fcec7f6dc0cb90d47ac1359a8b0d

Red Hat Enterprise Linux Server - AUS 8.2

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
x86_64
thunderbird-78.6.0-1.el8_2.x86_64.rpm SHA-256: cf6a8705267f8244f9c3bd8c6ad6659fdc17452a1bf1328368b847b47a604eec
thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm SHA-256: f76febc1953befc1fbf70e4398e251116e3be504446ee0a24fec45f0569fe5ea
thunderbird-debugsource-78.6.0-1.el8_2.x86_64.rpm SHA-256: 18d57c55e2489401250c16dec2193f375d68fcec7f6dc0cb90d47ac1359a8b0d

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

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
ppc64le
thunderbird-78.6.0-1.el8_2.ppc64le.rpm SHA-256: a606dbbdc33895ec5f33a2147996a98e029dcd020a28a66c16c61cc1452f2798
thunderbird-debuginfo-78.6.0-1.el8_2.ppc64le.rpm SHA-256: 2212084bd6e2b0445ccdf0ae6b5ba0fcd15a2e2008138b0981e84e6772de936b
thunderbird-debugsource-78.6.0-1.el8_2.ppc64le.rpm SHA-256: 5d907a0a825d57795a3b1c9ce43dcd65a730c00900fad1463a333e4cbaa7f258

Red Hat Enterprise Linux Server - TUS 8.2

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
x86_64
thunderbird-78.6.0-1.el8_2.x86_64.rpm SHA-256: cf6a8705267f8244f9c3bd8c6ad6659fdc17452a1bf1328368b847b47a604eec
thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm SHA-256: f76febc1953befc1fbf70e4398e251116e3be504446ee0a24fec45f0569fe5ea
thunderbird-debugsource-78.6.0-1.el8_2.x86_64.rpm SHA-256: 18d57c55e2489401250c16dec2193f375d68fcec7f6dc0cb90d47ac1359a8b0d

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

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
aarch64
thunderbird-78.6.0-1.el8_2.aarch64.rpm SHA-256: fa68e4d24c0bb26207e69373585c1150dab12af8f6b28176a7dd51c02800280a
thunderbird-debuginfo-78.6.0-1.el8_2.aarch64.rpm SHA-256: 643e9ec4756dea8ab0cca7e96d98da4440ca526febb371b75d554cd125912e98
thunderbird-debugsource-78.6.0-1.el8_2.aarch64.rpm SHA-256: b24c3e9979e00713ca24d085b04ae6f494a4de116d70f0e54c0317ea12cb6582

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

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
ppc64le
thunderbird-78.6.0-1.el8_2.ppc64le.rpm SHA-256: a606dbbdc33895ec5f33a2147996a98e029dcd020a28a66c16c61cc1452f2798
thunderbird-debuginfo-78.6.0-1.el8_2.ppc64le.rpm SHA-256: 2212084bd6e2b0445ccdf0ae6b5ba0fcd15a2e2008138b0981e84e6772de936b
thunderbird-debugsource-78.6.0-1.el8_2.ppc64le.rpm SHA-256: 5d907a0a825d57795a3b1c9ce43dcd65a730c00900fad1463a333e4cbaa7f258

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

SRPM
thunderbird-78.6.0-1.el8_2.src.rpm SHA-256: 3503115a8f246a744d358ba6f8175d0517e1ab51cb62f26846bf80aef92b648a
x86_64
thunderbird-78.6.0-1.el8_2.x86_64.rpm SHA-256: cf6a8705267f8244f9c3bd8c6ad6659fdc17452a1bf1328368b847b47a604eec
thunderbird-debuginfo-78.6.0-1.el8_2.x86_64.rpm SHA-256: f76febc1953befc1fbf70e4398e251116e3be504446ee0a24fec45f0569fe5ea
thunderbird-debugsource-78.6.0-1.el8_2.x86_64.rpm SHA-256: 18d57c55e2489401250c16dec2193f375d68fcec7f6dc0cb90d47ac1359a8b0d

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

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