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Ubuntu: (Multiple Advisories) (CVE-2020-12391): Firefox regression

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Ubuntu: (Multiple Advisories) (CVE-2020-12391): Firefox regression

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
05/07/2020
Created
05/12/2020
Added
05/08/2020
Modified
06/24/2020

Description

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

Solution(s)

  • ubuntu-upgrade-firefox

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