vulnerability
Alpine Linux: CVE-2020-7065: Stack-based Buffer Overflow
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Apr 1, 2020 | Oct 1, 2024 | Mar 25, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Apr 1, 2020
Added
Oct 1, 2024
Modified
Mar 25, 2026
Description
In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.
Solution
alpine-linux-upgrade-php7
Rapid7 Labs
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