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Ubuntu: USN-4443-1 (CVE-2020-15653): Firefox vulnerabilities

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Ubuntu: USN-4443-1 (CVE-2020-15653): Firefox vulnerabilities

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

Description

An iframe sandbox element with the allow-popups flag could be bypassed when using noopener links. This could have led to security issues for websites relying on sandbox configurations that allowed popups and hosted arbitrary content. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

Solution(s)

  • ubuntu-upgrade-firefox

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