vulnerability
Alpine Linux: CVE-2021-23953: 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 | Jun 17, 2022 | Dec 22, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:P/I:N/A:N)
Published
Feb 26, 2021
Added
Jun 17, 2022
Modified
Dec 22, 2025
Description
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
Solutions
alpine-linux-upgrade-firefox-esralpine-linux-upgrade-thunderbirdalpine-linux-upgrade-firefox
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