CVE-2017-7844

MEDIUM 6.5CVE-2017-7844 · Published 11/06/2018 · updated 17/06/2026

In short

CVE-2017-7844 is a MEDIUM (CVSS 6.5) vulnerability affecting firefox (mozilla).
Chance of exploitation in the next 30 days (EPSS): 1.7%, higher than 77.6% of all vulnerabilities.
Fix: update to 57.0.1 or later.

Package	Affected versions	Patched versions
firefox mozilla	`< 57.0.1`	`57.0.1`

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.

References

securityfocus.com/bid/102039 · Third Party Advisory
securitytracker.com/id/1039954 · Third Party Advisory
bugzilla.mozilla.org/show_bug.cgi · Issue Tracking
mozilla.org/security/advisories/mfsa2017-27 · Vendor Advisory

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Package

Affected versions

Patched versions

firefox

mozilla

< 57.0.1

57.0.1

Description

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