VDB
DEBIAN-CVE-2020-14311
DEBIAN-CVE-2020-14311
PUBLISHED
CVSS 6 MEDIUM
There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.
Risk Scores
CVSS 3.1
6
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | grub2 | 0, 0, 0 |
| Debian:11 | grub2 | 0, 0, 0 |
| Debian:14 | grub2 | 0, 0, 0 |
| Debian:13 | grub2 | 0, 0, 0 |
Timeline
- Jul 31, 2020 CVE Published
- Apr 28, 2026 CVE Updated