CVE-2019-3840
6.3
MEDIUM
CVSS 3.1
EPSS 0.71%
Description
A NULL pointer dereference flaw was discovered in libvirt before version 5.0.0 in the way it gets interface information through the QEMU agent. An attacker in a guest VM can use this flaw to crash libvirtd and cause a denial of service.
How to fix CVE-2019-3840
To remediate CVE-2019-3840, upgrade the affected package to a fixed version below.
- Debian/libvirt—upgrade to 5.0.0-1 or later
Is CVE-2019-3840 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.0.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H |