CVE-2017-7834

A "data:" URL loaded in a new tab did not inherit the Content Security Policy CSP of the original page, allowing for bypasses of the policy including the execution of JavaScript. In prior versions when "data:" documents also inherited the context of the original page this would allow for potentia...

UBUNTU-CVE-2017-7842

If a document's Referrer Policy attribute is set to "no-referrer" sometimes two network requests are made for "" elements instead of one. One of these requests includes the referrer instead of respecting the set policy to not include a referrer on requests. This vulnerability affects Firefox 57...

UBUNTU-CVE-2017-7837

SVG loaded through "" tags can use "" tags within the SVG data to set cookies for that page. This vulnerability affects Firefox 57...