vulnerability
Alpine Linux: CVE-2021-20225: Out-of-bounds Write
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:N/C:C/I:C/A:C) | Mar 3, 2021 | Aug 22, 2024 | Mar 25, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
Mar 3, 2021
Added
Aug 22, 2024
Modified
Mar 25, 2026
Description
A flaw was found in grub2 in versions prior to 2.06. The option parser allows an attacker to write past the end of a heap-allocated buffer by calling certain commands with a large number of specific short forms of options. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Solution
alpine-linux-upgrade-grub
Rapid7 Labs
2026 Global Threat Landscape Report
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