CVE-2020-14308
6.4
MEDIUM
CVSS 3.1
EPSS 0.03%
Description
In grub2 versions before 2.06 the grub memory allocator doesn't check for possible arithmetic overflows on the requested allocation size. This leads the function to return invalid memory allocations which can be further used to cause possible integrity, confidentiality and availability impacts during the boot process.
How to fix CVE-2020-14308
To remediate CVE-2020-14308, upgrade the affected package to a fixed version below.
- Alpine/grub—upgrade to 2.06-r0 or later
- —upgrade to 2.04-9 or later
Is CVE-2020-14308 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.06-r0
- from 0, < 2.04-9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |