CVE-2026-2243

qemu-kvm: Heap buffer out-of-bounds read in VMDK compressed grain parsing

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Severity

Low

Red Hat Product Security

5.1

CVSS 3.1

Review impact separately from score.

Published · February 10, 2026

Updated · September 1, 2026

Description

A flaw was found in QEMU. A specially crafted VMDK image could trigger an out-of-bounds read vulnerability, potentially leading to a 12-byte leak of sensitive information or a denial of service condition (DoS).

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

CWE-125 · Out-of-bounds Read