vulnerability
Alpine Linux: CVE-2021-21706: Path Traversal: '../filedir'
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:P/A:N) | Oct 4, 2021 | Aug 22, 2024 | Aug 8, 2025 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Oct 4, 2021
Added
Aug 22, 2024
Modified
Aug 8, 2025
Description
In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.
Solutions
alpine-linux-upgrade-php7alpine-linux-upgrade-php8alpine-linux-upgrade-php81
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