CVE-2017-7844
Publication date 11 June 2018
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| firefox | 18.04 LTS bionic |
Fixed 57.0.1+build2-0ubuntu1
|
| 16.04 LTS xenial |
Fixed 57.0.1+build2-0ubuntu0.16.04.1
|
|
| 14.04 LTS trusty |
Fixed 57.0.1+build2-0ubuntu0.14.04.1
|
Severity score breakdown
CVSS version: CVSS v3.0
Base score
6.5 · Medium
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N