N/A - RHSA-2019:2427

Problem Description:

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