CVE-2026-0665

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Feb 18, 2026
Last modified: Jun 17, 2026
NVD status: Deferred

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