Red Hat Security Advisory 2021-0994-01 ≈ Packet Storm – Digitalmunition




Exploit/Advisories no-image-featured-image.png

Published on March 25th, 2021 📆 | 3817 Views ⚑

0

Red Hat Security Advisory 2021-0994-01 ≈ Packet Storm

—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256

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

Synopsis: Important: thunderbird security update
Advisory ID: RHSA-2021:0994-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0994
Issue date: 2021-03-25
CVE Names: CVE-2021-23981 CVE-2021-23982 CVE-2021-23984
CVE-2021-23987
=====================================================================

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 78.9.0.

Security Fix(es):

* Mozilla: Texture upload into an unbound backing buffer resulted in an
out-of-bound read (CVE-2021-23981)

* Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9
(CVE-2021-23987)

* Mozilla: Internal network hosts could have been probed by a malicious
webpage (CVE-2021-23982)

* Mozilla: Malicious extensions could have spoofed popup information
(CVE-2021-23984)

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/):

1942783 – CVE-2021-23981 Mozilla: Texture upload into an unbound backing buffer resulted in an out-of-bound read
1942785 – CVE-2021-23982 Mozilla: Internal network hosts could have been probed by a malicious webpage
1942786 – CVE-2021-23984 Mozilla: Malicious extensions could have spoofed popup information
1942787 – CVE-2021-23987 Mozilla: Memory safety bugs fixed in Firefox 87 and Firefox ESR 78.9

6. Package List:

Red Hat Enterprise Linux AppStream EUS (v. 8.2):

Source:
thunderbird-78.9.0-3.el8_2.src.rpm

aarch64:
thunderbird-78.9.0-3.el8_2.aarch64.rpm
thunderbird-debuginfo-78.9.0-3.el8_2.aarch64.rpm
thunderbird-debugsource-78.9.0-3.el8_2.aarch64.rpm

ppc64le:
thunderbird-78.9.0-3.el8_2.ppc64le.rpm
thunderbird-debuginfo-78.9.0-3.el8_2.ppc64le.rpm
thunderbird-debugsource-78.9.0-3.el8_2.ppc64le.rpm

x86_64:
thunderbird-78.9.0-3.el8_2.x86_64.rpm
thunderbird-debuginfo-78.9.0-3.el8_2.x86_64.rpm
thunderbird-debugsource-78.9.0-3.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-2021-23981
https://access.redhat.com/security/cve/CVE-2021-23982
https://access.redhat.com/security/cve/CVE-2021-23984
https://access.redhat.com/security/cve/CVE-2021-23987
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.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1
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=0GK5
—–END PGP SIGNATURE—–


RHSA-announce mailing list
[email protected]
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Source link

Tagged with:



Leave a Reply