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Red Hat Security Advisory
Synopsis: Important: chromium-browser security update
Advisory ID: RHSA-2018:1446-01
Product: Red Hat Enterprise Linux Supplementary
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1446
Issue date: 2018-05-14
CVE Names: CVE-2018-6120 CVE-2018-6121 CVE-2018-6122
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1. Summary:
An update for chromium-browser is now available for Red Hat Enterprise
Linux 6 Supplementary.
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 Desktop Supplementary (v. 6) – i386, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) – i386, x86_64
3. Description:
Chromium is an open-source web browser, powered by WebKit (Blink).
This update upgrades Chromium to version 66.0.3359.170.
Security Fix(es):
* chromium-browser: Heap buffer overflow in PDFium (CVE-2018-6120)
* chromium-browser: Privilege Escalation in extensions (CVE-2018-6121)
* chromium-browser: Type confusion in V8 (CVE-2018-6122)
For more details about the security issue(s), including the impact, a CVSS
score, 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, Chromium must be restarted for the changes to
take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
1577113 – CVE-2018-6121 chromium-browser: Privilege Escalation in extensions
1577114 – CVE-2018-6122 chromium-browser: Type confusion in V8
1577115 – CVE-2018-6120 chromium-browser: Heap buffer overflow in PDFium
6. Package List:
Red Hat Enterprise Linux Desktop Supplementary (v. 6):
i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm
x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.x86_64.rpm
Red Hat Enterprise Linux Server Supplementary (v. 6):
i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm
x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.x86_64.rpm
Red Hat Enterprise Linux Workstation Supplementary (v. 6):
i386:
chromium-browser-66.0.3359.170-1.el6_9.i686.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.i686.rpm
x86_64:
chromium-browser-66.0.3359.170-1.el6_9.x86_64.rpm
chromium-browser-debuginfo-66.0.3359.170-1.el6_9.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-2018-6120
https://access.redhat.com/security/cve/CVE-2018-6121
https://access.redhat.com/security/cve/CVE-2018-6122
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2018 Red Hat, Inc.
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