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Gentoo Linux: CVE-2021-43540: Mozilla Firefox: Multiple vulnerabilities

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Gentoo Linux: CVE-2021-43540: Mozilla Firefox: Multiple vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
12/08/2021
Created
02/24/2022
Added
02/22/2022
Modified
02/22/2022

Description

WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95.

Solution(s)

  • gentoo-linux-upgrade-www-client-firefox
  • gentoo-linux-upgrade-www-client-firefox-bin

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