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Red Hat Enterprise Linux: RHSA-2020-2907-01 Important: Thunderbird Update

red hat
Calendar Grey July 14, 2020
Dist Redhat Esm H88
Canonical has unveiled a significant Firefox upgrade that tackles various vulnerabilities affecting users of Ubuntu 20.04 LTS.
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

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.

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 68.10.0.
Security Fix(es):
* Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64 (CVE-2020-12417)
* Mozilla: Information disclosure due to manipulated URL object (CVE-2020-12418)
* Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419)
* Mozilla: Use-After-Free when trying to connect to a STUN server (CVE-2020-12420)
* Mozilla: Add-On updates did not respect the same certificate trust rules as software updates (CVE-2020-12421)
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.

Topics%20covered

Topics Covered

security advisory update memory corruption important information disclosure red hat enterprise linux thunderbird

References

https://access.redhat.com/security/cve/CVE-2020-12417 https://access.redhat.com/security/cve/CVE-2020-12418 https://access.redhat.com/security/cve/CVE-2020-12419 https://access.redhat.com/security/cve/CVE-2020-12420 https://access.redhat.com/security/cve/CVE-2020-12421 https://access.redhat.com/security/updates/classification#important https://www.mozilla.org/en-US/security/advisories/mfsa2020-26/

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: thunderbird-68.10.0-1.el8_1.src.rpm
ppc64le: thunderbird-68.10.0-1.el8_1.ppc64le.rpm thunderbird-debuginfo-68.10.0-1.el8_1.ppc64le.rpm thunderbird-debugsource-68.10.0-1.el8_1.ppc64le.rpm
x86_64: thunderbird-68.10.0-1.el8_1.x86_64.rpm thunderbird-debuginfo-68.10.0-1.el8_1.x86_64.rpm thunderbird-debugsource-68.10.0-1.el8_1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:2907-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2907
Issue date: 2020-07-14

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1Extended Update Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update memory corruption important information disclosure red hat enterprise linux thunderbird

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - ppc64le, x86_64

Bugs Fixed

1853014 - CVE-2020-12417 Mozilla: Memory corruption due to missing sign-extension for ValueTags on ARM64

1853015 - CVE-2020-12418 Mozilla: Information disclosure due to manipulated URL object

1853016 - CVE-2020-12419 Mozilla: Use-after-free in nsGlobalWindowInner

1853017 - CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server

1853018 - CVE-2020-12421 Mozilla: Add-On updates did not respect the same certificate trust rules as software updates

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