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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2019:0270-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0270
Issue date:        2019-02-04
CVE Names:         CVE-2016-5824 CVE-2018-18500 CVE-2018-18501
                   CVE-2018-18505
====================================================================
1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 7.

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Client (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, ppc64le

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.5.0.

Security Fix(es):

* Mozilla: Use-after-free parsing HTML5 stream (CVE-2018-18500)

* Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5
(CVE-2018-18501)

* Mozilla: Privilege escalation through IPC channel messages
(CVE-2018-18505)

* libical: Multiple use-after-free vulnerabilities (CVE-2016-5824)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank the Mozilla project for reporting these issues.
Upstream acknowledges Yaniv Frank (SophosLabs), Alex Gaynor, Christoph
Diehl, Steven Crane, Jason Kratzer, Gary Kwong, Christian Holler, and Jed
Davis as the original reporters.

4. 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.

5. Bugs fixed (https://bugzilla.redhat.com/):

1375120 - CVE-2016-5824 libical: Multiple use-after-free vulnerabilities
1670631 - CVE-2018-18500 Mozilla: Use-after-free parsing HTML5 stream
1670632 - CVE-2018-18501 Mozilla: Memory safety bugs fixed in Firefox 65 and Firefox ESR 60.5
1670633 - CVE-2018-18505 Mozilla: Privilege escalation through IPC channel messages

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-60.5.0-1.el7_6.src.rpm

x86_64:
thunderbird-60.5.0-1.el7_6.x86_64.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-60.5.0-1.el7_6.src.rpm

ppc64le:
thunderbird-60.5.0-1.el7_6.ppc64le.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.ppc64le.rpm

x86_64:
thunderbird-60.5.0-1.el7_6.x86_64.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

Source:
thunderbird-60.5.0-1.el7_6.src.rpm

aarch64:
thunderbird-60.5.0-1.el7_6.aarch64.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.aarch64.rpm

ppc64le:
thunderbird-60.5.0-1.el7_6.ppc64le.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.ppc64le.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-60.5.0-1.el7_6.src.rpm

x86_64:
thunderbird-60.5.0-1.el7_6.x86_64.rpm
thunderbird-debuginfo-60.5.0-1.el7_6.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/

7. References:

https://access.redhat.com/security/cve/CVE-2016-5824
https://access.redhat.com/security/cve/CVE-2018-18500
https://access.redhat.com/security/cve/CVE-2018-18501
https://access.redhat.com/security/cve/CVE-2018-18505
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2019-03/

8. Contact:

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

Copyright 2019 Red Hat, Inc.
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