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Red Hat Security Advisory

Synopsis: Important: chromium-browser security update
Advisory ID: RHSA-2019:2427-01
Product: Red Hat Enterprise Linux Supplementary
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2427
Issue date: 2019-08-12
CVE Names: CVE-2019-5850 CVE-2019-5851 CVE-2019-5852
CVE-2019-5853 CVE-2019-5854 CVE-2019-5855
CVE-2019-5856 CVE-2019-5857 CVE-2019-5858
CVE-2019-5859 CVE-2019-5860 CVE-2019-5861
CVE-2019-5862 CVE-2019-5864 CVE-2019-5865
=====================================================================

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, i686, x86_64
Red Hat Enterprise Linux HPC Node Supplementary (v. 6) – i686, x86_64
Red Hat Enterprise Linux Server Supplementary (v. 6) – i386, i686, x86_64
Red Hat Enterprise Linux Workstation Supplementary (v. 6) – i386, i686, x86_64

3. Description:

Chromium is an open-source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 76.0.3809.87.

Security Fix(es):

* chromium-browser: Use-after-free in offline page fetcher (CVE-2019-5850)

* chromium-browser: Use-after-poison in offline audio context
(CVE-2019-5851)

* chromium-browser: Memory corruption in regexp length check
(CVE-2019-5853)

* chromium-browser: res: URIs can load alternative browsers (CVE-2019-5859)

* chromium-browser: Use-after-free in PDFium (CVE-2019-5860)

* chromium-browser: Integer overflow in PDFium (CVE-2019-5855)

* chromium-browser: Insufficient checks on filesystem: URI permissions
(CVE-2019-5856)

* chromium-browser: Site isolation bypass from compromised renderer
(CVE-2019-5865)

* chromium-browser: Object leak of utility functions (CVE-2019-5852)

* chromium-browser: Integer overflow in PDFium text rendering
(CVE-2019-5854)

* chromium-browser: Comparison of -0 and null yields crash (CVE-2019-5857)

* chromium-browser: Insufficient filtering of Open URL service parameters
(CVE-2019-5858)

* chromium-browser: Click location incorrectly checked (CVE-2019-5861)

* chromium-browser: AppCache not robust to compromised renderers
(CVE-2019-5862)

* chromium-browser: Insufficient port filtering in CORS for extensions
(CVE-2019-5864)

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, Chromium must be restarted for the changes to
take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1735496 – CVE-2019-5852 chromium-browser: Object leak of utility functions
1737721 – CVE-2019-5850 chromium-browser: Use-after-free in offline page fetcher
1737722 – CVE-2019-5860 chromium-browser: Use-after-free in PDFium
1737723 – CVE-2019-5853 chromium-browser: Memory corruption in regexp length check
1737724 – CVE-2019-5851 chromium-browser: Use-after-poison in offline audio context
1737725 – CVE-2019-5859 chromium-browser: res: URIs can load alternative browsers
1737727 – CVE-2019-5856 chromium-browser: Insufficient checks on filesystem: URI permissions
1737729 – CVE-2019-5855 chromium-browser: Integer overflow in PDFium
1737730 – CVE-2019-5865 chromium-browser: Site isolation bypass from compromised renderer
1737731 – CVE-2019-5858 chromium-browser: Insufficient filtering of Open URL service parameters
1737732 – CVE-2019-5864 chromium-browser: Insufficient port filtering in CORS for extensions
1737733 – CVE-2019-5862 chromium-browser: AppCache not robust to compromised renderers
1737734 – CVE-2019-5861 chromium-browser: Click location incorrectly checked
1737735 – CVE-2019-5857 chromium-browser: Comparison of -0 and null yields crash
1737736 – CVE-2019-5854 chromium-browser: Integer overflow in PDFium text rendering

6. Package List:

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

i386:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

i686:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

x86_64:
chromium-browser-76.0.3809.87-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.x86_64.rpm

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

i686:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

x86_64:
chromium-browser-76.0.3809.87-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.x86_64.rpm

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

i386:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

i686:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

x86_64:
chromium-browser-76.0.3809.87-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.x86_64.rpm

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

i386:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

i686:
chromium-browser-76.0.3809.87-1.el6_10.i686.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.i686.rpm

x86_64:
chromium-browser-76.0.3809.87-1.el6_10.x86_64.rpm
chromium-browser-debuginfo-76.0.3809.87-1.el6_10.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-2019-5850
https://access.redhat.com/security/cve/CVE-2019-5851
https://access.redhat.com/security/cve/CVE-2019-5852
https://access.redhat.com/security/cve/CVE-2019-5853
https://access.redhat.com/security/cve/CVE-2019-5854
https://access.redhat.com/security/cve/CVE-2019-5855
https://access.redhat.com/security/cve/CVE-2019-5856
https://access.redhat.com/security/cve/CVE-2019-5857
https://access.redhat.com/security/cve/CVE-2019-5858
https://access.redhat.com/security/cve/CVE-2019-5859
https://access.redhat.com/security/cve/CVE-2019-5860
https://access.redhat.com/security/cve/CVE-2019-5861
https://access.redhat.com/security/cve/CVE-2019-5862
https://access.redhat.com/security/cve/CVE-2019-5864
https://access.redhat.com/security/cve/CVE-2019-5865
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 2019 Red Hat, Inc.
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