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Red Hat Enterprise Linux 6: RHSA-2020:0123-01 Critical: Thunderbird Update

red hat
Calendar Grey January 16, 2020
Dist Redhat Esm H88
Latest Thunderbird release on Red Hat Enterprise Linux addresses critical vulnerabilities, such as memory corruption issues and type discrepancies, enhancing overall security and stability.
An update for thunderbird is now available for Red Hat Enterprise Linux 6

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 important Red Hat Enterprise security impact thunderbird memory safety type confusion

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 Desktop (v. 6):
Source: thunderbird-68.4.1-2.el6_10.src.rpm
i386: thunderbird-68.4.1-2.el6_10.i686.rpm thunderbird-debuginfo-68.4.1-2.el6_10.i686.rpm
x86_64: thunderbird-68.4.1-2.el6_10.x86_64.rpm thunderbird-debuginfo-68.4.1-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-68.4.1-2.el6_10.src.rpm
i386: thunderbird-68.4.1-2.el6_10.i686.rpm thunderbird-debuginfo-68.4.1-2.el6_10.i686.rpm
ppc64: thunderbird-68.4.1-2.el6_10.ppc64.rpm thunderbird-debuginfo-68.4.1-2.el6_10.ppc64.rpm
s390x: thunderbird-68.4.1-2.el6_10.s390x.rpm thunderbird-debuginfo-68.4.1-2.el6_10.s390x.rpm
x86_64: thunderbird-68.4.1-2.el6_10.x86_64.rpm thunderbird-debuginfo-68.4.1-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: thunderbird-68.4.1-2.el6_10.src.rpm
i386: thunderbird-68.4.1-2.el6_10.i686.rpm thunderbird-debuginfo-68.4.1-2.el6_10.i686.rpm
x86_64: thunderbird-68.4.1-2.el6_10.x86_64.rpm thunderbird-debuginfo-68.4.1-2.el6_10.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-2020:0123-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0123
Issue date: 2020-01-16

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 6.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 important Red Hat Enterprise security impact thunderbird memory safety type confusion

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, 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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