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

Synopsis:          Critical: firefox security update
Advisory ID:       RHSA-2019:3281-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:3281
Issue date:        2019-10-31
CVE Names:         CVE-2019-11757 CVE-2019-11758 CVE-2019-11759 
                   CVE-2019-11760 CVE-2019-11761 CVE-2019-11762 
                   CVE-2019-11763 CVE-2019-11764 
=====================================================================

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 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 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 68.2.0 ESR.

Security Fix(es):

* Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2
(CVE-2019-11764)

* Mozilla: Use-after-free when creating index updates in IndexedDB
(CVE-2019-11757)

* Mozilla: Potentially exploitable crash due to 360 Total Security
(CVE-2019-11758)

* Mozilla: Stack buffer overflow in HKDF output (CVE-2019-11759)

* Mozilla: Stack buffer overflow in WebRTC networking (CVE-2019-11760)

* Mozilla: Unintended access to a privileged JSONView object
(CVE-2019-11761)

* Mozilla: document.domain-based origin isolation has same-origin-property
violation (CVE-2019-11762)

* Mozilla: Incorrect HTML parsing results in XSS bypass technique
(CVE-2019-11763)

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/):

1764438 - CVE-2019-11757 Mozilla: Use-after-free when creating index updates in IndexedDB
1764439 - CVE-2019-11758 Mozilla: Potentially exploitable crash due to 360 Total Security
1764440 - CVE-2019-11759 Mozilla: Stack buffer overflow in HKDF output
1764441 - CVE-2019-11760 Mozilla: Stack buffer overflow in WebRTC networking
1764442 - CVE-2019-11761 Mozilla: Unintended access to a privileged JSONView object
1764443 - CVE-2019-11762 Mozilla: document.domain-based origin isolation has same-origin-property violation
1764444 - CVE-2019-11763 Mozilla: Incorrect HTML parsing results in XSS bypass technique
1764446 - CVE-2019-11764 Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
firefox-68.2.0-4.el6_10.src.rpm

i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm

x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:
firefox-68.2.0-4.el6_10.src.rpm

x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
firefox-68.2.0-4.el6_10.src.rpm

i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm

ppc64:
firefox-68.2.0-4.el6_10.ppc64.rpm
firefox-debuginfo-68.2.0-4.el6_10.ppc64.rpm

s390x:
firefox-68.2.0-4.el6_10.s390x.rpm
firefox-debuginfo-68.2.0-4.el6_10.s390x.rpm

x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
firefox-68.2.0-4.el6_10.src.rpm

i386:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.el6_10.i686.rpm

x86_64:
firefox-68.2.0-4.el6_10.x86_64.rpm
firefox-debuginfo-68.2.0-4.el6_10.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

x86_64:
firefox-68.2.0-4.el6_10.i686.rpm
firefox-debuginfo-68.2.0-4.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-2019-11757
https://access.redhat.com/security/cve/CVE-2019-11758
https://access.redhat.com/security/cve/CVE-2019-11759
https://access.redhat.com/security/cve/CVE-2019-11760
https://access.redhat.com/security/cve/CVE-2019-11761
https://access.redhat.com/security/cve/CVE-2019-11762
https://access.redhat.com/security/cve/CVE-2019-11763
https://access.redhat.com/security/cve/CVE-2019-11764
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2019-33/

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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