—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Critical: firefox security update
Advisory ID: RHSA-2020:0111-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0111
Issue date: 2020-01-14
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 8.
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 (v. 8) – 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 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 AppStream (v. 8):
Source:
firefox-68.4.1-1.el8_1.src.rpm
aarch64:
firefox-68.4.1-1.el8_1.aarch64.rpm
firefox-debuginfo-68.4.1-1.el8_1.aarch64.rpm
firefox-debugsource-68.4.1-1.el8_1.aarch64.rpm
ppc64le:
firefox-68.4.1-1.el8_1.ppc64le.rpm
firefox-debuginfo-68.4.1-1.el8_1.ppc64le.rpm
firefox-debugsource-68.4.1-1.el8_1.ppc64le.rpm
s390x:
firefox-68.4.1-1.el8_1.s390x.rpm
firefox-debuginfo-68.4.1-1.el8_1.s390x.rpm
firefox-debugsource-68.4.1-1.el8_1.s390x.rpm
x86_64:
firefox-68.4.1-1.el8_1.x86_64.rpm
firefox-debuginfo-68.4.1-1.el8_1.x86_64.rpm
firefox-debugsource-68.4.1-1.el8_1.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-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 <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1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=VS+4
—–END PGP SIGNATURE—–
—
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce