VDB
DEBIAN-CVE-2021-20225
DEBIAN-CVE-2021-20225
PUBLISHED
CVSS 6.699999809265137 MEDIUM
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.
Risk Scores
CVSS 3.1
6.699999809265137
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | grub2 | 0, 0, 0 |
| Debian:12 | grub2 | 0, 0, 0 |
| Debian:14 | grub2 | 0, 0, 0 |
| Debian:13 | grub2 | 0, 0, 0 |
Timeline
- Mar 3, 2021 CVE Published
- Apr 28, 2026 CVE Updated