CVE-2019-3886

MEDIUM
5.4
CVSS Score
Published: April 4, 2019 at 12:00 AM UTC
Updated: June 17, 2026 at 02:35 AM UTC
4 products affected across 4 vendorsFedoraLeapLibvirt

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Severity
MEDIUM5.4
Exploit prediction
EPSS 1%

Description

An incorrect permissions check was discovered in libvirt 4.8.0 and above. The readonly permission was allowed to invoke APIs depending on the guest agent, which could lead to potentially disclosing unintended information or denial of service by causing libvirt to block.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.8.0 ≤ v < 5.3.0
Affected range stops below 5.3.0, so it looks safe — our inference, not a vendor statement
v ≥ 4.8.0

CVSS

Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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