vulnerability
Alpine Linux: CVE-2021-20314: Out-of-bounds Write
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Aug 12, 2021 | Mar 26, 2024 | Dec 5, 2025 |
Severity
7
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 12, 2021
Added
Mar 26, 2024
Modified
Dec 5, 2025
Description
Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.
Solution
alpine-linux-upgrade-libspf2
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