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Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2020:4330-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4330
Issue date: 2020-10-26
CVE Names: CVE-2020-15683 CVE-2020-15969
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1. Summary:
An update for firefox is now available for Red Hat Enterprise Linux 6.
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 Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) – x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) – x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) – 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 78.4.0 ESR.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4
(CVE-2020-15683)
* chromium-browser: Use after free in WebRTC (CVE-2020-15969)
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/):
1885885 – CVE-2020-15969 chromium-browser: Use after free in WebRTC
1889932 – CVE-2020-15683 Mozilla: Memory safety bugs fixed in Firefox 82 and Firefox ESR 78.4
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
firefox-78.4.0-2.el6_10.src.rpm
i386:
firefox-78.4.0-2.el6_10.i686.rpm
x86_64:
firefox-78.4.0-2.el6_10.x86_64.rpm
firefox-debuginfo-78.4.0-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64:
firefox-78.4.0-2.el6_10.i686.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
firefox-78.4.0-2.el6_10.src.rpm
x86_64:
firefox-78.4.0-2.el6_10.i686.rpm
firefox-78.4.0-2.el6_10.x86_64.rpm
firefox-debuginfo-78.4.0-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
firefox-78.4.0-2.el6_10.src.rpm
i386:
firefox-78.4.0-2.el6_10.i686.rpm
ppc64:
firefox-78.4.0-2.el6_10.ppc64.rpm
firefox-debuginfo-78.4.0-2.el6_10.ppc64.rpm
s390x:
firefox-78.4.0-2.el6_10.s390x.rpm
firefox-debuginfo-78.4.0-2.el6_10.s390x.rpm
x86_64:
firefox-78.4.0-2.el6_10.x86_64.rpm
firefox-debuginfo-78.4.0-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
x86_64:
firefox-78.4.0-2.el6_10.i686.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
firefox-78.4.0-2.el6_10.src.rpm
i386:
firefox-78.4.0-2.el6_10.i686.rpm
x86_64:
firefox-78.4.0-2.el6_10.x86_64.rpm
firefox-debuginfo-78.4.0-2.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
x86_64:
firefox-78.4.0-2.el6_10.i686.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-2020-15683
https://access.redhat.com/security/cve/CVE-2020-15969
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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