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Ubuntu: (Multiple Advisories) (CVE-2017-7816): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2017-7816): Firefox regression

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
09/28/2017
Created
07/25/2018
Added
10/03/2017
Modified
03/02/2020

Description

WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.

Solution(s)

  • ubuntu-upgrade-firefox

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