exploit the possibilities

Red Hat Security Advisory 2021-0661-01

Red Hat Security Advisory 2021-0661-01
Posted Feb 25, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0661-01 - Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 78.8.0.

tags | advisory
systems | linux, redhat
advisories | CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978
MD5 | a6b5451613ef17ae7492c92d7db10c87

Red Hat Security Advisory 2021-0661-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:0661-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0661
Issue date: 2021-02-24
CVE Names: CVE-2021-23968 CVE-2021-23969 CVE-2021-23973
CVE-2021-23978
====================================================================
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 78.8.0.

Security Fix(es):

* Mozilla: Content Security Policy violation report could have contained
the destination of a redirect (CVE-2021-23968)

* Mozilla: Content Security Policy violation report could have contained
the destination of a redirect (CVE-2021-23969)

* Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8
(CVE-2021-23978)

* Mozilla: MediaError message property could have leaked information about
cross-origin resources (CVE-2021-23973)

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/):

1932109 - CVE-2021-23969 Mozilla: Content Security Policy violation report could have contained the destination of a redirect
1932110 - CVE-2021-23968 Mozilla: Content Security Policy violation report could have contained the destination of a redirect
1932111 - CVE-2021-23973 Mozilla: MediaError message property could have leaked information about cross-origin resources
1932112 - CVE-2021-23978 Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
thunderbird-78.8.0-1.el7_9.src.rpm

x86_64:
thunderbird-78.8.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.8.0-1.el7_9.x86_64.rpm

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

Source:
thunderbird-78.8.0-1.el7_9.src.rpm

ppc64le:
thunderbird-78.8.0-1.el7_9.ppc64le.rpm
thunderbird-debuginfo-78.8.0-1.el7_9.ppc64le.rpm

x86_64:
thunderbird-78.8.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.8.0-1.el7_9.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
thunderbird-78.8.0-1.el7_9.src.rpm

x86_64:
thunderbird-78.8.0-1.el7_9.x86_64.rpm
thunderbird-debuginfo-78.8.0-1.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-2021-23968
https://access.redhat.com/security/cve/CVE-2021-23969
https://access.redhat.com/security/cve/CVE-2021-23973
https://access.redhat.com/security/cve/CVE-2021-23978
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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àzZ
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

May 2021

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    May 1st
    1 Files
  • 2
    May 2nd
    4 Files
  • 3
    May 3rd
    27 Files
  • 4
    May 4th
    17 Files
  • 5
    May 5th
    0 Files
  • 6
    May 6th
    0 Files
  • 7
    May 7th
    0 Files
  • 8
    May 8th
    0 Files
  • 9
    May 9th
    0 Files
  • 10
    May 10th
    0 Files
  • 11
    May 11th
    0 Files
  • 12
    May 12th
    0 Files
  • 13
    May 13th
    0 Files
  • 14
    May 14th
    0 Files
  • 15
    May 15th
    0 Files
  • 16
    May 16th
    0 Files
  • 17
    May 17th
    0 Files
  • 18
    May 18th
    0 Files
  • 19
    May 19th
    0 Files
  • 20
    May 20th
    0 Files
  • 21
    May 21st
    0 Files
  • 22
    May 22nd
    0 Files
  • 23
    May 23rd
    0 Files
  • 24
    May 24th
    0 Files
  • 25
    May 25th
    0 Files
  • 26
    May 26th
    0 Files
  • 27
    May 27th
    0 Files
  • 28
    May 28th
    0 Files
  • 29
    May 29th
    0 Files
  • 30
    May 30th
    0 Files
  • 31
    May 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2020 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close