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

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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2020:4156-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4156
Issue date:        2020-10-01
CVE Names:         CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 
                   CVE-2020-15678 
====================================================================
1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0
Update Services for SAP Solutions.

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 E4S (v. 8.0) - ppc64le, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.3.1.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3
(CVE-2020-15673)

* Mozilla: XSS when pasting attacker-controlled data into a contenteditable
element (CVE-2020-15676)

* Mozilla: Download origin spoofing via redirect (CVE-2020-15677)

* Mozilla: When recursing through layers while scrolling, an iterator may
have become invalid, resulting in a potential use-after-free scenario
(CVE-2020-15678)

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/):

1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect
1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element
1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario
1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3

6. Package List:

Red Hat Enterprise Linux AppStream E4S (v. 8.0):

Source:
thunderbird-78.3.1-1.el8_0.src.rpm

ppc64le:
thunderbird-78.3.1-1.el8_0.ppc64le.rpm
thunderbird-debuginfo-78.3.1-1.el8_0.ppc64le.rpm
thunderbird-debugsource-78.3.1-1.el8_0.ppc64le.rpm

x86_64:
thunderbird-78.3.1-1.el8_0.x86_64.rpm
thunderbird-debuginfo-78.3.1-1.el8_0.x86_64.rpm
thunderbird-debugsource-78.3.1-1.el8_0.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-2020-15673
https://access.redhat.com/security/cve/CVE-2020-15676
https://access.redhat.com/security/cve/CVE-2020-15677
https://access.redhat.com/security/cve/CVE-2020-15678
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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vMc8
-----END PGP SIGNATURE-----

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

RedHat: RHSA-2020-4156:01 Important: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.3.1.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3 (CVE-2020-15673)
* Mozilla: XSS when pasting attacker-controlled data into a contenteditable element (CVE-2020-15676)
* Mozilla: Download origin spoofing via redirect (CVE-2020-15677)
* Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario (CVE-2020-15678)
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.



Summary


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.

References

https://access.redhat.com/security/cve/CVE-2020-15673 https://access.redhat.com/security/cve/CVE-2020-15676 https://access.redhat.com/security/cve/CVE-2020-15677 https://access.redhat.com/security/cve/CVE-2020-15678 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: thunderbird-78.3.1-1.el8_0.src.rpm
ppc64le: thunderbird-78.3.1-1.el8_0.ppc64le.rpm thunderbird-debuginfo-78.3.1-1.el8_0.ppc64le.rpm thunderbird-debugsource-78.3.1-1.el8_0.ppc64le.rpm
x86_64: thunderbird-78.3.1-1.el8_0.x86_64.rpm thunderbird-debuginfo-78.3.1-1.el8_0.x86_64.rpm thunderbird-debugsource-78.3.1-1.el8_0.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
Advisory ID: RHSA-2020:4156-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4156
Issued Date: : 2020-10-01
CVE Names: CVE-2020-15673 CVE-2020-15676 CVE-2020-15677 CVE-2020-15678

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - ppc64le, x86_64


Bugs Fixed

1881664 - CVE-2020-15677 Mozilla: Download origin spoofing via redirect

1881665 - CVE-2020-15676 Mozilla: XSS when pasting attacker-controlled data into a contenteditable element

1881666 - CVE-2020-15678 Mozilla: When recursing through layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free scenario

1881667 - CVE-2020-15673 Mozilla: Memory safety bugs fixed in Firefox 81 and Firefox ESR 78.3


Related News