vulnerability
Alpine Linux: CVE-2021-23971: Vulnerability in Multiple Components
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:P/I:N/A:N) | Feb 26, 2021 | Aug 22, 2024 | Mar 25, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Feb 26, 2021
Added
Aug 22, 2024
Modified
Mar 25, 2026
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.
Solutions
alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf
Rapid7 Labs
2026 Global Threat Landscape Report
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