vulnerability
Alpine Linux: CVE-2021-23977: Time-of-check Time-of-use (TOCTOU) Race Condition
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:N/AC:H/Au:N/C:P/I:N/A:N) | Feb 26, 2021 | Aug 22, 2024 | Dec 22, 2025 |
Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
Feb 26, 2021
Added
Aug 22, 2024
Modified
Dec 22, 2025
Description
Firefox for Android suffered from a time-of-check-time-of-use vulnerability that allowed a malicious application to read sensitive data from application directories. Note: This issue is only affected Firefox for Android. Other operating systems are unaffected. This vulnerability affects Firefox < 86.
Solutions
alpine-linux-upgrade-firefoxalpine-linux-upgrade-librewolf
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