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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2018:3531-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3531
Issue date:        2018-11-08
Updated on:        2018-11-09
CVE Names:         CVE-2018-12389 CVE-2018-12390 CVE-2018-12392
                   CVE-2018-12393
====================================================================
1. Summary:

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 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 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

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 60.3.0.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3
(CVE-2018-12390)

* Mozilla: Crash with nested event loops (CVE-2018-12392)

* Mozilla: Integer overflow during Unicode conversion while loading
JavaScript (CVE-2018-12393)

* Mozilla: Memory safety bugs fixed in Firefox ESR 60.3 (CVE-2018-12389)

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 Christian Holler, Bob Owen, Boris Zbarsky, Calixte
Denizet, Jason Kratzer, Jed Davis, Taegeon Lee, Philipp, Ronald Crane, Raul
Gurzau, Gary Kwong, Tyson Smith, Raymond Forbes, Bogdan Tara, Nils, r, and
Daniel Veditz 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/):

1642179 - CVE-2018-12389 Mozilla: Memory safety bugs fixed in Firefox ESR 60.3
1642180 - CVE-2018-12390 Mozilla: Memory safety bugs fixed in Firefox 63 and Firefox ESR 60.3
1642182 - CVE-2018-12392 Mozilla: Crash with nested event loops
1642183 - CVE-2018-12393 Mozilla: Integer overflow during Unicode conversion while loading JavaScript

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-60.3.0-1.el6.src.rpm

i386:
thunderbird-60.3.0-1.el6.i686.rpm
thunderbird-debuginfo-60.3.0-1.el6.i686.rpm

x86_64:
thunderbird-60.3.0-1.el6.x86_64.rpm
thunderbird-debuginfo-60.3.0-1.el6.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:
thunderbird-60.3.0-1.el6.src.rpm

i386:
thunderbird-60.3.0-1.el6.i686.rpm
thunderbird-debuginfo-60.3.0-1.el6.i686.rpm

ppc64:
thunderbird-60.3.0-1.el6.ppc64.rpm
thunderbird-debuginfo-60.3.0-1.el6.ppc64.rpm

s390x:
thunderbird-60.3.0-1.el6.s390x.rpm
thunderbird-debuginfo-60.3.0-1.el6.s390x.rpm

x86_64:
thunderbird-60.3.0-1.el6.x86_64.rpm
thunderbird-debuginfo-60.3.0-1.el6.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-60.3.0-1.el6.src.rpm

i386:
thunderbird-60.3.0-1.el6.i686.rpm
thunderbird-debuginfo-60.3.0-1.el6.i686.rpm

x86_64:
thunderbird-60.3.0-1.el6.x86_64.rpm
thunderbird-debuginfo-60.3.0-1.el6.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-2018-12389
https://access.redhat.com/security/cve/CVE-2018-12390
https://access.redhat.com/security/cve/CVE-2018-12392
https://access.redhat.com/security/cve/CVE-2018-12393
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2018 Red Hat, Inc.
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