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=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:5399-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5399
Issue date: 2020-12-14
CVE Names: CVE-2020-26970
=====================================================================
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 78.5.1.
Security Fix(es):
* Mozilla: Stack overflow due to incorrect parsing of SMTP server response
codes (CVE-2020-26970)
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/):
1903443 – CVE-2020-26970 Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes
6. Package List:
Red Hat Enterprise Linux AppStream EUS (v. 8.2):
Source:
thunderbird-78.5.1-1.el8_2.src.rpm
aarch64:
thunderbird-78.5.1-1.el8_2.aarch64.rpm
thunderbird-debuginfo-78.5.1-1.el8_2.aarch64.rpm
thunderbird-debugsource-78.5.1-1.el8_2.aarch64.rpm
ppc64le:
thunderbird-78.5.1-1.el8_2.ppc64le.rpm
thunderbird-debuginfo-78.5.1-1.el8_2.ppc64le.rpm
thunderbird-debugsource-78.5.1-1.el8_2.ppc64le.rpm
x86_64:
thunderbird-78.5.1-1.el8_2.x86_64.rpm
thunderbird-debuginfo-78.5.1-1.el8_2.x86_64.rpm
thunderbird-debugsource-78.5.1-1.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-2020-26970
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 2020 Red Hat, Inc.
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—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:5398-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5398
Issue date: 2020-12-14
CVE Names: CVE-2020-26970
=====================================================================
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 78.5.1.
Security Fix(es):
* Mozilla: Stack overflow due to incorrect parsing of SMTP server response
codes (CVE-2020-26970)
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/):
1903443 – CVE-2020-26970 Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
thunderbird-78.5.1-1.el8_3.src.rpm
aarch64:
thunderbird-78.5.1-1.el8_3.aarch64.rpm
thunderbird-debuginfo-78.5.1-1.el8_3.aarch64.rpm
thunderbird-debugsource-78.5.1-1.el8_3.aarch64.rpm
ppc64le:
thunderbird-78.5.1-1.el8_3.ppc64le.rpm
thunderbird-debuginfo-78.5.1-1.el8_3.ppc64le.rpm
thunderbird-debugsource-78.5.1-1.el8_3.ppc64le.rpm
x86_64:
thunderbird-78.5.1-1.el8_3.x86_64.rpm
thunderbird-debuginfo-78.5.1-1.el8_3.x86_64.rpm
thunderbird-debugsource-78.5.1-1.el8_3.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-2020-26970
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 2020 Red Hat, Inc.
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RHSA-announce@redhat.com
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—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2020:5400-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5400
Issue date: 2020-12-14
CVE Names: CVE-2020-26970
=====================================================================
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 78.5.1.
Security Fix(es):
* Mozilla: Stack overflow due to incorrect parsing of SMTP server response
codes (CVE-2020-26970)
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/):
1903443 – CVE-2020-26970 Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
thunderbird-78.5.1-1.el7_9.src.rpm
x86_64:
thunderbird-78.5.1-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.5.1-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
Source:
thunderbird-78.5.1-1.el7_9.src.rpm
ppc64le:
thunderbird-78.5.1-1.el7_9.ppc64le.rpm
thunderbird-debuginfo-78.5.1-1.el7_9.ppc64le.rpm
x86_64:
thunderbird-78.5.1-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.5.1-1.el7_9.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
thunderbird-78.5.1-1.el7_9.src.rpm
x86_64:
thunderbird-78.5.1-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.5.1-1.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-2020-26970
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 2020 Red Hat, Inc.
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