CVE-2019-3840

low-risk
Published 2019-03-27

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.

Do I need to act?

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0.71% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.8/10 Medium
NETWORK / HIGH complexity

Affected Products (3)

Affected Vendors

29
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 2/34 · Minimal
Exposure 9/34 · Low