RedHat: RHSA-2021-2882:01 Important: thunderbird security update

Advisories

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

Synopsis:          Important: thunderbird security update
Advisory ID:       RHSA-2021:2882-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2882
Issue date:        2021-07-26
CVE Names:         CVE-2021-29969 CVE-2021-29970 CVE-2021-29976 
                   CVE-2021-30547 
=====================================================================

1. Summary:

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1
Extended Update Support.

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 EUS (v. 8.1) - ppc64le, x86_64

3. Description:

Mozilla Thunderbird is a standalone mail and newsgroup client.

This update upgrades Thunderbird to version 78.12.0.

Security Fix(es):

* Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be
processed (CVE-2021-29969)

* Mozilla: Use-after-free in accessibility features of a document
(CVE-2021-29970)

* Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
(CVE-2021-29976)

* chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)

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/):

1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE
1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document
1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12
1982015 - CVE-2021-29969 Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.1):

Source:
thunderbird-78.12.0-2.el8_1.src.rpm

ppc64le:
thunderbird-78.12.0-2.el8_1.ppc64le.rpm
thunderbird-debuginfo-78.12.0-2.el8_1.ppc64le.rpm
thunderbird-debugsource-78.12.0-2.el8_1.ppc64le.rpm

x86_64:
thunderbird-78.12.0-2.el8_1.x86_64.rpm
thunderbird-debuginfo-78.12.0-2.el8_1.x86_64.rpm
thunderbird-debugsource-78.12.0-2.el8_1.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-2021-29969
https://access.redhat.com/security/cve/CVE-2021-29970
https://access.redhat.com/security/cve/CVE-2021-29976
https://access.redhat.com/security/cve/CVE-2021-30547
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 2021 Red Hat, Inc.
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RedHat: RHSA-2021-2882:01 Important: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support

Summary

Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.12.0.
Security Fix(es):
* Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed (CVE-2021-29969)
* Mozilla: Use-after-free in accessibility features of a document (CVE-2021-29970)
* Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12 (CVE-2021-29976)
* chromium-browser: Out of bounds write in ANGLE (CVE-2021-30547)
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.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258All running instances of Thunderbird must be restarted for the update totake effect.

References

https://access.redhat.com/security/cve/CVE-2021-29969 https://access.redhat.com/security/cve/CVE-2021-29970 https://access.redhat.com/security/cve/CVE-2021-29976 https://access.redhat.com/security/cve/CVE-2021-30547 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source: thunderbird-78.12.0-2.el8_1.src.rpm
ppc64le: thunderbird-78.12.0-2.el8_1.ppc64le.rpm thunderbird-debuginfo-78.12.0-2.el8_1.ppc64le.rpm thunderbird-debugsource-78.12.0-2.el8_1.ppc64le.rpm
x86_64: thunderbird-78.12.0-2.el8_1.x86_64.rpm thunderbird-debuginfo-78.12.0-2.el8_1.x86_64.rpm thunderbird-debugsource-78.12.0-2.el8_1.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-2021:2882-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2882
Issued Date: : 2021-07-26
CVE Names: CVE-2021-29969 CVE-2021-29970 CVE-2021-29976 CVE-2021-30547

Topic

An update for thunderbird is now available for Red Hat Enterprise Linux 8.1Extended Update Support.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.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream EUS (v. 8.1) - ppc64le, x86_64

Bugs Fixed

1970109 - CVE-2021-30547 chromium-browser: Out of bounds write in ANGLE

1982013 - CVE-2021-29970 Mozilla: Use-after-free in accessibility features of a document

1982014 - CVE-2021-29976 Mozilla: Memory safety bugs fixed in Firefox 90 and Firefox ESR 78.12

1982015 - CVE-2021-29969 Mozilla: IMAP server responses sent by a MITM prior to STARTTLS could be processed

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