CVE-2017-9763
7.5
HIGH
CVSS 3.1
EPSS 1.4%
Description
The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array.
How to fix CVE-2017-9763
To remediate CVE-2017-9763, upgrade the affected package to a fixed version below.
- Debian/grub2—upgrade to 2.02~beta2-8 or later
Is CVE-2017-9763 being exploited?
Low — EPSS is 1.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.02~beta2-8
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |