CVE-2026-2243 MEDIUM

CVE-2026-2243: Qemu-kvm: heap buffer out-of-bounds read in vmdk compressed grain parsing

Vendor Red Hat
Product Red Hat Enterprise Linux 10
Weakness CWE-125
Published February 19, 2026
Last update March 2, 2026

CVSS base score

5.1/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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).

Key dates

02Disclosure timeline

February 19, 2026 CVE published
March 2, 2026 Record updated