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Ubuntu: USN-4443-1 (CVE-2020-15655): Firefox vulnerabilities

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Ubuntu: USN-4443-1 (CVE-2020-15655): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
07/29/2020
Created
08/07/2020
Added
08/05/2020
Modified
01/20/2021

Description

A redirected HTTP request which is observed or modified through a web extension could bypass existing CORS checks, leading to potential disclosure of cross-origin information. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Solution(s)

  • ubuntu-upgrade-firefox

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