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Red Hat Security Advisory 2019-4111-01

Red Hat Security Advisory 2019-4111-01
Posted Dec 5, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-4111-01 - Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 68.3.0 ESR. Issues addressed include buffer overflow and use-after-free vulnerabilities.

tags | advisory, web, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2019-17005, CVE-2019-17008, CVE-2019-17010, CVE-2019-17011, CVE-2019-17012
MD5 | fbce1768ad1633dc0cf0179ec0309414

Red Hat Security Advisory 2019-4111-01

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

Synopsis: Critical: firefox security update
Advisory ID: RHSA-2019:4111-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4111
Issue date: 2019-12-05
CVE Names: CVE-2019-17005 CVE-2019-17008 CVE-2019-17010
CVE-2019-17011 CVE-2019-17012
====================================================================
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 68.3.0 ESR.

Security Fix(es):

* Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

* Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3
(CVE-2019-17012)

* Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

* Mozilla: Use-after-free when performing device orientation checks
(CVE-2019-17010)

* Mozilla: Use-after-free when retrieving a document in antitracking
(CVE-2019-17011)

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/):

1779431 - CVE-2019-17008 Mozilla: Use-after-free in worker destruction
1779434 - CVE-2019-17010 Mozilla: Use-after-free when performing device orientation checks
1779435 - CVE-2019-17005 Mozilla: Buffer overflow in plain text serializer
1779436 - CVE-2019-17011 Mozilla: Use-after-free when retrieving a document in antitracking
1779437 - CVE-2019-17012 Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-68.3.0-1.el8_1.src.rpm

aarch64:
firefox-68.3.0-1.el8_1.aarch64.rpm
firefox-debuginfo-68.3.0-1.el8_1.aarch64.rpm
firefox-debugsource-68.3.0-1.el8_1.aarch64.rpm

ppc64le:
firefox-68.3.0-1.el8_1.ppc64le.rpm
firefox-debuginfo-68.3.0-1.el8_1.ppc64le.rpm
firefox-debugsource-68.3.0-1.el8_1.ppc64le.rpm

s390x:
firefox-68.3.0-1.el8_1.s390x.rpm
firefox-debuginfo-68.3.0-1.el8_1.s390x.rpm
firefox-debugsource-68.3.0-1.el8_1.s390x.rpm

x86_64:
firefox-68.3.0-1.el8_1.x86_64.rpm
firefox-debuginfo-68.3.0-1.el8_1.x86_64.rpm
firefox-debugsource-68.3.0-1.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-2019-17005
https://access.redhat.com/security/cve/CVE-2019-17008
https://access.redhat.com/security/cve/CVE-2019-17010
https://access.redhat.com/security/cve/CVE-2019-17011
https://access.redhat.com/security/cve/CVE-2019-17012
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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