CVE-2017-7844

Medium

Description

A combination of an external SVG image referenced on a page and the coloring of anchor links stored within this image can be used to determine which pages a user has in their history. This can allow a malicious website to query user history. Note: This issue only affects Firefox 57. Earlier releases are not affected. This vulnerability affects Firefox < 57.0.1.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018

How to fix

Update
  • mozilla firefox57.0.1 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 57.0.157.0.1

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Choose the product and enter the version you run to see whether it falls in the affected range.

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