Mozilla · Firefox · CVE-2017-7844
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 57.0.1
**Description**
A malicious website can determine which pages a user has in their history by combining an external SVG image referenced on a page with the coloring of anchor links stored within this image. This issue allows a malicious website to query user history.
**Recommendations**
For Firefox versions prior to 57.0.1, update to version 57.0.1 or later to resolve the issue.