The Content Security Policy (CSP) implementation in Blink, as used in Google Chrome before 49.0.2623.75, does not ignore a URL's path component in the case of a ServiceWorker fetch, which allows remote attackers to obtain sensitive information about visited web pages by reading CSP violation reports. External Reference: https://codereview.chromium.org/1454003003/
This issue has been addressed in the following products: Supplementary for Red Hat Enterprise Linux 6 Via RHSA-2016:0359 https://rhn.redhat.com/errata/RHSA-2016-0359.html