vulnerability
Alpine Linux: CVE-2021-43540: Vulnerability in Multiple Components
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Dec 8, 2021 | Aug 22, 2024 | Dec 5, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Dec 8, 2021
Added
Aug 22, 2024
Modified
Dec 5, 2025
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.
Solutions
alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf
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