-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2020:2614-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2614
Issue date:        2020-06-18
CVE Names:         CVE-2020-12398 CVE-2020-12405 CVE-2020-12406 
                   CVE-2020-12410 
====================================================================
1. Summary:

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 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 AppStream (v. 8) - aarch64, ppc64le, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 68.9.0.

Security Fix(es):

* Mozilla: Security downgrade with IMAP STARTTLS leads to information
leakage (CVE-2020-12398)

* Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405)

* Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406)

* Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
(CVE-2020-12410)

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.

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/):

1843030 - CVE-2020-12410 Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9
1843312 - CVE-2020-12406 Mozilla: JavaScript Type confusion with NativeTypes
1843313 - CVE-2020-12405 Mozilla: Use-after-free in SharedWorkerService
1846556 - CVE-2020-12398 Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
thunderbird-68.9.0-1.el8_2.src.rpm

aarch64:
thunderbird-68.9.0-1.el8_2.aarch64.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.aarch64.rpm
thunderbird-debugsource-68.9.0-1.el8_2.aarch64.rpm

ppc64le:
thunderbird-68.9.0-1.el8_2.ppc64le.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.ppc64le.rpm
thunderbird-debugsource-68.9.0-1.el8_2.ppc64le.rpm

x86_64:
thunderbird-68.9.0-1.el8_2.x86_64.rpm
thunderbird-debuginfo-68.9.0-1.el8_2.x86_64.rpm
thunderbird-debugsource-68.9.0-1.el8_2.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-2020-12398
https://access.redhat.com/security/cve/CVE-2020-12405
https://access.redhat.com/security/cve/CVE-2020-12406
https://access.redhat.com/security/cve/CVE-2020-12410
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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gZCi
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce