Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Critical: firefox security update
Advisory ID: RHSA-2020:0085-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0085
Issue date: 2020-01-13
CVE Names: CVE-2019-17016 CVE-2019-17017 CVE-2019-17022
CVE-2019-17024 CVE-2019-17026
=====================================================================
1. Summary:
An update for firefox 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 Client Optional (v. 7) - x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x,
x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - 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 68.4.1 ESR.
Security Fix(es):
* Mozilla: IonMonkey type confusion with StoreElementHole
and
FallibleStoreElement (CVE-2019-17026)
* Mozilla: Bypass of @namespace CSS sanitization during
pasting
(CVE-2019-17016)
* Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
* Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox
ESR 68.4
(CVE-2019-17024)
* Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)
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/):
1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS
sanitization during pasting
1788724 - CVE-2019-17017 Mozilla: Type Confusion in
XPCVariant.cpp
1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape
HTML tags
1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in
Firefox 72 and Firefox ESR 68.4
1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with
StoreElementHole and FallibleStoreElement
6. Package List:
Red Hat Enterprise Linux Client (v. 7):
Source:
firefox-68.4.1-1.el7_7.src.rpm
x86_64:
firefox-68.4.1-1.el7_7.x86_64.rpm
firefox-debuginfo-68.4.1-1.el7_7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64:
firefox-68.4.1-1.el7_7.i686.rpm
firefox-debuginfo-68.4.1-1.el7_7.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source:
firefox-68.4.1-1.el7_7.src.rpm
ppc64:
firefox-68.4.1-1.el7_7.ppc64.rpm
firefox-debuginfo-68.4.1-1.el7_7.ppc64.rpm
ppc64le:
firefox-68.4.1-1.el7_7.ppc64le.rpm
firefox-debuginfo-68.4.1-1.el7_7.ppc64le.rpm
s390x:
firefox-68.4.1-1.el7_7.s390x.rpm
firefox-debuginfo-68.4.1-1.el7_7.s390x.rpm
x86_64:
firefox-68.4.1-1.el7_7.x86_64.rpm
firefox-debuginfo-68.4.1-1.el7_7.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64:
firefox-68.4.1-1.el7_7.i686.rpm
firefox-debuginfo-68.4.1-1.el7_7.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source:
firefox-68.4.1-1.el7_7.src.rpm
x86_64:
firefox-68.4.1-1.el7_7.x86_64.rpm
firefox-debuginfo-68.4.1-1.el7_7.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:
firefox-68.4.1-1.el7_7.i686.rpm
firefox-debuginfo-68.4.1-1.el7_7.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-2019-17016
https://access.redhat.com/security/cve/CVE-2019-17017
https://access.redhat.com/security/cve/CVE-2019-17022
https://access.redhat.com/security/cve/CVE-2019-17024
https://access.redhat.com/security/cve/CVE-2019-17026
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/
8. Contact:
The Red Hat security contact is <
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=/LRL
-----END PGP SIGNATURE-----
--
RHSA-announce mailing list
https://www.redhat.com/mailman/listinfo/rhsa-announce
Read more https://packetstormsecurity.com/files/155932/RHSA-2020-0085-01.txt