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RedHat: RHSA-2021-0145 Critical: Firefox Security Patch

red hat
Calendar Grey January 16, 2020
Dist Redhat Esm H88
A critical security patch is now available for Thunderbird on Red Hat Enterprise Linux 8. Discover more details within.
An update for thunderbird is now available for Red Hat Enterprise Linux 8

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 68.4.1.
Security Fix(es):
* Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)
* Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)
* Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
* Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)
* Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)
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 security issue update Red Hat Enterprise Linux important thunderbird mail client

References

https://access.redhat.com/security/cve/CVE-2019-17016 https://access.redhat.com/security/cve/CVE-2019-17017 https://access.redhat.com/security/cve/CVE-2019-17022 https://access.redhat.com/security/cve/CVE-2019-17024 https://access.redhat.com/security/cve/CVE-2019-17026 https://access.redhat.com/security/updates/classification/#important https://www.mozilla.org/en-US/security/advisories/mfsa2020-04/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: thunderbird-68.4.1-2.el8_1.src.rpm
ppc64le: thunderbird-68.4.1-2.el8_1.ppc64le.rpm thunderbird-debuginfo-68.4.1-2.el8_1.ppc64le.rpm thunderbird-debugsource-68.4.1-2.el8_1.ppc64le.rpm
x86_64: thunderbird-68.4.1-2.el8_1.x86_64.rpm thunderbird-debuginfo-68.4.1-2.el8_1.x86_64.rpm thunderbird-debugsource-68.4.1-2.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-2020:0127-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0127
Issue date: 2020-01-16

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.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 security issue update Red Hat Enterprise Linux important thunderbird mail client

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - ppc64le, x86_64

Bugs Fixed

1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS sanitization during pasting

1788724 - CVE-2019-17017 Mozilla: Type Confusion in XPCVariant.cpp

1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape HTML tags

1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4

1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement

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