CVE-2026-3196

medium

Description

An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2443789

https://access.redhat.com/security/cve/CVE-2026-3196

Details

Source: Mitre, NVD

Published: 2026-06-19

Updated: 2026-06-19

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium