—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2048-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2048
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
=====================================================================

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 Critical. 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 68.8.0.

Security Fix(es):

* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)

* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

* Mozilla: Arbitrary local file access with ‘Copy as cURL’ (CVE-2020-12392)

* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)

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/):

1831761 – CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 – CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 – CVE-2020-12392 Mozilla: Arbitrary local file access with ‘Copy as cURL’
1831765 – CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 – CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

6. Package List:

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

Source:
thunderbird-68.8.0-1.el8_0.src.rpm

ppc64le:
thunderbird-68.8.0-1.el8_0.ppc64le.rpm
thunderbird-debuginfo-68.8.0-1.el8_0.ppc64le.rpm
thunderbird-debugsource-68.8.0-1.el8_0.ppc64le.rpm

x86_64:
thunderbird-68.8.0-1.el8_0.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el8_0.x86_64.rpm
thunderbird-debugsource-68.8.0-1.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-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical

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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=V2be
—–END PGP SIGNATURE—–

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

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2047-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2047
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
=====================================================================

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 Critical. 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 68.8.0.

Security Fix(es):

* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)

* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

* Mozilla: Arbitrary local file access with ‘Copy as cURL’ (CVE-2020-12392)

* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)

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/):

1831761 – CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 – CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 – CVE-2020-12392 Mozilla: Arbitrary local file access with ‘Copy as cURL’
1831765 – CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 – CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

6. Package List:

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

Source:
thunderbird-68.8.0-1.el8_1.src.rpm

ppc64le:
thunderbird-68.8.0-1.el8_1.ppc64le.rpm
thunderbird-debuginfo-68.8.0-1.el8_1.ppc64le.rpm
thunderbird-debugsource-68.8.0-1.el8_1.ppc64le.rpm

x86_64:
thunderbird-68.8.0-1.el8_1.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el8_1.x86_64.rpm
thunderbird-debugsource-68.8.0-1.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-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical

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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=BILl
—–END PGP SIGNATURE—–

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

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2046-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2046
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
=====================================================================

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 Critical. 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 68.8.0.

Security Fix(es):

* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)

* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

* Mozilla: Arbitrary local file access with ‘Copy as cURL’ (CVE-2020-12392)

* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)

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/):

1831761 – CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 – CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 – CVE-2020-12392 Mozilla: Arbitrary local file access with ‘Copy as cURL’
1831765 – CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 – CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
thunderbird-68.8.0-1.el8_2.src.rpm

aarch64:
thunderbird-68.8.0-1.el8_2.aarch64.rpm
thunderbird-debuginfo-68.8.0-1.el8_2.aarch64.rpm
thunderbird-debugsource-68.8.0-1.el8_2.aarch64.rpm

ppc64le:
thunderbird-68.8.0-1.el8_2.ppc64le.rpm
thunderbird-debuginfo-68.8.0-1.el8_2.ppc64le.rpm
thunderbird-debugsource-68.8.0-1.el8_2.ppc64le.rpm

x86_64:
thunderbird-68.8.0-1.el8_2.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el8_2.x86_64.rpm
thunderbird-debugsource-68.8.0-1.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-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical

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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=yhGn
—–END PGP SIGNATURE—–

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

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2049-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2049
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
=====================================================================

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 Critical. 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 68.8.0.

Security Fix(es):

* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)

* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

* Mozilla: Arbitrary local file access with ‘Copy as cURL’ (CVE-2020-12392)

* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)

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/):

1831761 – CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 – CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 – CVE-2020-12392 Mozilla: Arbitrary local file access with ‘Copy as cURL’
1831765 – CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 – CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
thunderbird-68.8.0-1.el6_10.src.rpm

i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm

x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.x86_64.rpm

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

Source:
thunderbird-68.8.0-1.el6_10.src.rpm

i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm

ppc64:
thunderbird-68.8.0-1.el6_10.ppc64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.ppc64.rpm

s390x:
thunderbird-68.8.0-1.el6_10.s390x.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.s390x.rpm

x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
thunderbird-68.8.0-1.el6_10.src.rpm

i386:
thunderbird-68.8.0-1.el6_10.i686.rpm
thunderbird-debuginfo-68.8.0-1.el6_10.i686.rpm

x86_64:
thunderbird-68.8.0-1.el6_10.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.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-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical

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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=Th1y
—–END PGP SIGNATURE—–

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

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Critical: thunderbird security update
Advisory ID: RHSA-2020:2050-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2050
Issue date: 2020-05-11
CVE Names: CVE-2020-6831 CVE-2020-12387 CVE-2020-12392
CVE-2020-12395 CVE-2020-12397
=====================================================================

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 Critical. 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 68.8.0.

Security Fix(es):

* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)

* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
(CVE-2020-12395)

* usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831)

* Mozilla: Arbitrary local file access with ‘Copy as cURL’ (CVE-2020-12392)

* Mozilla: Sender Email Address Spoofing using encoded Unicode characters
(CVE-2020-12397)

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/):

1831761 – CVE-2020-12387 Mozilla: Use-after-free during worker shutdown
1831763 – CVE-2020-6831 usrsctp: Buffer overflow in AUTH chunk input validation
1831764 – CVE-2020-12392 Mozilla: Arbitrary local file access with ‘Copy as cURL’
1831765 – CVE-2020-12395 Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8
1832565 – CVE-2020-12397 Mozilla: Sender Email Address Spoofing using encoded Unicode characters

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-68.8.0-1.el7_8.src.rpm

x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

Source:
thunderbird-68.8.0-1.el7_8.src.rpm

ppc64le:
thunderbird-68.8.0-1.el7_8.ppc64le.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.ppc64le.rpm

x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-68.8.0-1.el7_8.src.rpm

x86_64:
thunderbird-68.8.0-1.el7_8.x86_64.rpm
thunderbird-debuginfo-68.8.0-1.el7_8.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-2020-6831
https://access.redhat.com/security/cve/CVE-2020-12387
https://access.redhat.com/security/cve/CVE-2020-12392
https://access.redhat.com/security/cve/CVE-2020-12395
https://access.redhat.com/security/cve/CVE-2020-12397
https://access.redhat.com/security/updates/classification/#critical

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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=L0/x
—–END PGP SIGNATURE—–

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