Rapid7 Vulnerability & Exploit Database

MFSA2019-25 Firefox: Security vulnerabilities fixed in Firefox 69 (CVE-2019-11747)

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MFSA2019-25 Firefox: Security vulnerabilities fixed in Firefox 69 (CVE-2019-11747)

Severity

CVSS

(AV:N/AC:M/Au:N/C:N/I:P/A:N)

Published

09/03/2019

Created

09/04/2019

Added

09/04/2019

Modified

10/04/2019

Description

The "Forget about this site" feature in the History pane is intended to remove all saved user data that indicates a user has visited a site. This includes removing any HTTP Strict Transport Security (HSTS) settings received from sites that use it. Due to a bug, sites on the pre-load list also have their HSTS setting removed. On the next visit to that site if the user specifies an http: URL rather than secure https: they will not be protected by the pre-loaded HSTS setting. After that visit the site's HSTS setting will be restored. This vulnerability affects Firefox < 69 and Firefox ESR < 68.1.

Solution(s)

mozilla-firefox-upgrade-69_0

References

Advanced vulnerability management analytics and reporting.

Key Features

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