An incorrect escaping of mathml flaw was found in the Blink component of the Chromium browser.
Created chromium tracking bugs for this issue:
Affects: epel-7 [bug 1584060]
Affects: fedora-all [bug 1584059]
This issue has been addressed in the following products:
Red Hat Enterprise Linux 6 Supplementary
Via RHSA-2018:1815 https://access.redhat.com/errata/RHSA-2018:1815