CVE-2021-31871
7.5
HIGH
CVSS 3.1
EPSS 1.6%
Description
An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
How to fix CVE-2021-31871
To remediate CVE-2021-31871, upgrade the affected package to a fixed version below.
- Debian/klibc—upgrade to 2.0.8-6 or later
Is CVE-2021-31871 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.0.8-6
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |