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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2020:4158-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:4158
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 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 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 Desktop (v. 6):

Source:
thunderbird-78.3.1-1.el6_10.src.rpm

i386:
thunderbird-78.3.1-1.el6_10.i686.rpm

x86_64:
thunderbird-78.3.1-1.el6_10.x86_64.rpm
thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm

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

Source:
thunderbird-78.3.1-1.el6_10.src.rpm

i386:
thunderbird-78.3.1-1.el6_10.i686.rpm

ppc64:
thunderbird-78.3.1-1.el6_10.ppc64.rpm
thunderbird-debuginfo-78.3.1-1.el6_10.ppc64.rpm

s390x:
thunderbird-78.3.1-1.el6_10.s390x.rpm
thunderbird-debuginfo-78.3.1-1.el6_10.s390x.rpm

x86_64:
thunderbird-78.3.1-1.el6_10.x86_64.rpm
thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-78.3.1-1.el6_10.src.rpm

i386:
thunderbird-78.3.1-1.el6_10.i686.rpm

x86_64:
thunderbird-78.3.1-1.el6_10.x86_64.rpm
thunderbird-debuginfo-78.3.1-1.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/

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.
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RedHat: RHSA-2020-4158:01 Important: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 6

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 Desktop (v. 6):
Source: thunderbird-78.3.1-1.el6_10.src.rpm
i386: thunderbird-78.3.1-1.el6_10.i686.rpm
x86_64: thunderbird-78.3.1-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source: thunderbird-78.3.1-1.el6_10.src.rpm
i386: thunderbird-78.3.1-1.el6_10.i686.rpm
ppc64: thunderbird-78.3.1-1.el6_10.ppc64.rpm thunderbird-debuginfo-78.3.1-1.el6_10.ppc64.rpm
s390x: thunderbird-78.3.1-1.el6_10.s390x.rpm thunderbird-debuginfo-78.3.1-1.el6_10.s390x.rpm
x86_64: thunderbird-78.3.1-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.3.1-1.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: thunderbird-78.3.1-1.el6_10.src.rpm
i386: thunderbird-78.3.1-1.el6_10.i686.rpm
x86_64: thunderbird-78.3.1-1.el6_10.x86_64.rpm thunderbird-debuginfo-78.3.1-1.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
Advisory ID: RHSA-2020:4158-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4158
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 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.


Topic


 

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

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


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