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Ubuntu: USN-4756-1 (CVE-2021-23971): Firefox vulnerabilities

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Ubuntu: USN-4756-1 (CVE-2021-23971): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
02/26/2021
Created
03/02/2021
Added
02/27/2021
Modified
05/07/2021

Description

When processing a redirect with a conflicting Referrer-Policy, Firefox would have adopted the redirect's Referrer-Policy. This would have potentially resulted in more information than intended by the original origin being provided to the destination of the redirect. This vulnerability affects Firefox < 86.

Solution(s)

  • ubuntu-upgrade-firefox

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