Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.3064
thunderbird security update
14 September 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Mozilla Thunderbird
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-38493
Reference: ESB-2021.3055
ESB-2021.3045
Original Bulletin:
https://access.redhat.com/errata/RHSA-2021:3495
https://access.redhat.com/errata/RHSA-2021:3494
https://access.redhat.com/errata/RHSA-2021:3500
https://access.redhat.com/errata/RHSA-2021:3499
Comment: This bulletin contains four (4) Red Hat security advisories.
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:3495-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3495
Issue date: 2021-09-13
CVE Names: CVE-2021-38493
=====================================================================
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 78.14.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and
Firefox ESR 91.1 (CVE-2021-38493)
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/):
2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.1):
Source:
thunderbird-78.14.0-1.el8_1.src.rpm
ppc64le:
thunderbird-78.14.0-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-78.14.0-1.el8_1.ppc64le.rpm
thunderbird-debugsource-78.14.0-1.el8_1.ppc64le.rpm
x86_64:
thunderbird-78.14.0-1.el8_1.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el8_1.x86_64.rpm
thunderbird-debugsource-78.14.0-1.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-2021-38493
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=Ghzh
- -----END PGP SIGNATURE-----
- ----------------------------------------------------------------------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:3499-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3499
Issue date: 2021-09-13
CVE Names: CVE-2021-38493
=====================================================================
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, s390x, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.14.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and
Firefox ESR 91.1 (CVE-2021-38493)
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/):
2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
thunderbird-78.14.0-1.el8_4.src.rpm
aarch64:
thunderbird-78.14.0-1.el8_4.aarch64.rpm
thunderbird-debuginfo-78.14.0-1.el8_4.aarch64.rpm
thunderbird-debugsource-78.14.0-1.el8_4.aarch64.rpm
ppc64le:
thunderbird-78.14.0-1.el8_4.ppc64le.rpm
thunderbird-debuginfo-78.14.0-1.el8_4.ppc64le.rpm
thunderbird-debugsource-78.14.0-1.el8_4.ppc64le.rpm
s390x:
thunderbird-78.14.0-1.el8_4.s390x.rpm
thunderbird-debuginfo-78.14.0-1.el8_4.s390x.rpm
thunderbird-debugsource-78.14.0-1.el8_4.s390x.rpm
x86_64:
thunderbird-78.14.0-1.el8_4.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el8_4.x86_64.rpm
thunderbird-debugsource-78.14.0-1.el8_4.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-2021-38493
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=2yHh
- -----END PGP SIGNATURE-----
- ----------------------------------------------------------------------------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:3500-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3500
Issue date: 2021-09-13
CVE Names: CVE-2021-38493
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2
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. 8.2) - aarch64, ppc64le, x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.14.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and
Firefox ESR 91.1 (CVE-2021-38493)
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/):
2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source:
thunderbird-78.14.0-1.el8_2.src.rpm
aarch64:
thunderbird-78.14.0-1.el8_2.aarch64.rpm
thunderbird-debuginfo-78.14.0-1.el8_2.aarch64.rpm
thunderbird-debugsource-78.14.0-1.el8_2.aarch64.rpm
ppc64le:
thunderbird-78.14.0-1.el8_2.ppc64le.rpm
thunderbird-debuginfo-78.14.0-1.el8_2.ppc64le.rpm
thunderbird-debugsource-78.14.0-1.el8_2.ppc64le.rpm
x86_64:
thunderbird-78.14.0-1.el8_2.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el8_2.x86_64.rpm
thunderbird-debugsource-78.14.0-1.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-2021-38493
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=fF37
- -----END PGP SIGNATURE-----
- -----------------------------------------------------------------------------------------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:3494-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3494
Issue date: 2021-09-13
CVE Names: CVE-2021-38493
=====================================================================
1. Summary:
An update for thunderbird is now available for Red Hat Enterprise Linux 7.
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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - ppc64le, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
3. Description:
Mozilla Thunderbird is a standalone mail and newsgroup client.
This update upgrades Thunderbird to version 78.14.0.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and
Firefox ESR 91.1 (CVE-2021-38493)
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/):
2002119 - CVE-2021-38493 Mozilla: Memory safety bugs fixed in Firefox 92, Firefox ESR 78.14 and Firefox ESR 91.1
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
thunderbird-78.14.0-1.el7_9.src.rpm
x86_64:
thunderbird-78.14.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-78.14.0-1.el7_9.src.rpm
ppc64le:
thunderbird-78.14.0-1.el7_9.ppc64le.rpm
thunderbird-debuginfo-78.14.0-1.el7_9.ppc64le.rpm
x86_64:
thunderbird-78.14.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-78.14.0-1.el7_9.src.rpm
x86_64:
thunderbird-78.14.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.14.0-1.el7_9.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-2021-38493
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 2021 Red Hat, Inc.
- -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=gCNH
- -----END PGP SIGNATURE-----
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967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=YeVI
-----END PGP SIGNATURE-----