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Red Hat Security Advisory
Synopsis: Important: firefox security update
Advisory ID: RHSA-2020:3241-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3241
Issue date: 2020-07-30
CVE Names: CVE-2020-6463 CVE-2020-6514 CVE-2020-15652
CVE-2020-15659
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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 Important. 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 68.11.0 ESR.
Security Fix(es):
* chromium-browser: Use after free in ANGLE (CVE-2020-6463)
* chromium-browser: Inappropriate implementation in WebRTC (CVE-2020-6514)
* Mozilla: Potential leak of redirect targets when loading scripts in a
worker (CVE-2020-15652)
* Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11
(CVE-2020-15659)
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/):
1840893 – CVE-2020-6463 chromium-browser: Use after free in ANGLE
1857349 – CVE-2020-6514 chromium-browser: Inappropriate implementation in WebRTC
1861570 – CVE-2020-15652 Mozilla: Potential leak of redirect targets when loading scripts in a worker
1861572 – CVE-2020-15659 Mozilla: Memory safety bugs fixed in Firefox 79 and Firefox ESR 68.11
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
Source:
firefox-68.11.0-1.el8_2.src.rpm
aarch64:
firefox-68.11.0-1.el8_2.aarch64.rpm
firefox-debuginfo-68.11.0-1.el8_2.aarch64.rpm
firefox-debugsource-68.11.0-1.el8_2.aarch64.rpm
ppc64le:
firefox-68.11.0-1.el8_2.ppc64le.rpm
firefox-debuginfo-68.11.0-1.el8_2.ppc64le.rpm
firefox-debugsource-68.11.0-1.el8_2.ppc64le.rpm
s390x:
firefox-68.11.0-1.el8_2.s390x.rpm
firefox-debuginfo-68.11.0-1.el8_2.s390x.rpm
firefox-debugsource-68.11.0-1.el8_2.s390x.rpm
x86_64:
firefox-68.11.0-1.el8_2.x86_64.rpm
firefox-debuginfo-68.11.0-1.el8_2.x86_64.rpm
firefox-debugsource-68.11.0-1.el8_2.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-2020-6463
https://access.redhat.com/security/cve/CVE-2020-6514
https://access.redhat.com/security/cve/CVE-2020-15652
https://access.redhat.com/security/cve/CVE-2020-15659
https://access.redhat.com/security/updates/classification/#important
https://www.mozilla.org/en-US/security/advisories/mfsa2020-31/
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.
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