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Red Hat Security Advisory

Synopsis: Critical: firefox security update
Advisory ID: RHSA-2019:1696-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:1696
Issue date: 2019-07-08
CVE Names: CVE-2019-11707 CVE-2019-11708
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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 60.7.2 ESR.

Security Fix(es):

* Mozilla: Type confusion in Array.pop (CVE-2019-11707)

* Mozilla: Sandbox escape using Prompt:Open (CVE-2019-11708)

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/):

1721789 – CVE-2019-11707 Mozilla: Type confusion in Array.pop
1722673 – CVE-2019-11708 Mozilla: Sandbox escape using Prompt:Open

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

Source:
firefox-60.7.2-3.el8_0.src.rpm

aarch64:
firefox-60.7.2-3.el8_0.aarch64.rpm
firefox-debuginfo-60.7.2-3.el8_0.aarch64.rpm
firefox-debugsource-60.7.2-3.el8_0.aarch64.rpm

ppc64le:
firefox-60.7.2-3.el8_0.ppc64le.rpm
firefox-debuginfo-60.7.2-3.el8_0.ppc64le.rpm
firefox-debugsource-60.7.2-3.el8_0.ppc64le.rpm

s390x:
firefox-60.7.2-3.el8_0.s390x.rpm
firefox-debuginfo-60.7.2-3.el8_0.s390x.rpm
firefox-debugsource-60.7.2-3.el8_0.s390x.rpm

x86_64:
firefox-60.7.2-3.el8_0.x86_64.rpm
firefox-debuginfo-60.7.2-3.el8_0.x86_64.rpm
firefox-debugsource-60.7.2-3.el8_0.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-2019-11707
https://access.redhat.com/security/cve/CVE-2019-11708
https://access.redhat.com/security/updates/classification/#critical
https://www.mozilla.org/en-US/security/advisories/mfsa2019-18/
https://www.mozilla.org/en-US/security/advisories/mfsa2019-19/

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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