-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2021:0055-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0055
Issue date:        2021-01-11
CVE Names:         CVE-2020-16044 
=====================================================================

1. Summary:

An update for firefox 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 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. 8.2) - aarch64, ppc64le, s390x, x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards
compliance, performance, and portability.

This update upgrades Firefox to version 78.6.1 ESR.

Security Fix(es):

* Mozilla: Use-after-free write when handling a malicious COOKIE-ECHO SCTP
chunk (CVE-2020-16044)

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

After installing the update, Firefox must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1913503 - CVE-2020-16044 Mozilla: Use-after-free write when handling a malicious COOKIE-ECHO SCTP chunk

6. Package List:

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

Source:
firefox-78.6.1-1.el8_2.src.rpm

aarch64:
firefox-78.6.1-1.el8_2.aarch64.rpm
firefox-debuginfo-78.6.1-1.el8_2.aarch64.rpm
firefox-debugsource-78.6.1-1.el8_2.aarch64.rpm

ppc64le:
firefox-78.6.1-1.el8_2.ppc64le.rpm
firefox-debuginfo-78.6.1-1.el8_2.ppc64le.rpm
firefox-debugsource-78.6.1-1.el8_2.ppc64le.rpm

s390x:
firefox-78.6.1-1.el8_2.s390x.rpm
firefox-debuginfo-78.6.1-1.el8_2.s390x.rpm
firefox-debugsource-78.6.1-1.el8_2.s390x.rpm

x86_64:
firefox-78.6.1-1.el8_2.x86_64.rpm
firefox-debuginfo-78.6.1-1.el8_2.x86_64.rpm
firefox-debugsource-78.6.1-1.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-2020-16044
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 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=VGue
-----END PGP SIGNATURE-----

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