CVE-2026-2243
Received Received - Intake

Out-of-Bounds Read in QEMU VMDK Causes Data Leak, DoS

Publication date: 2026-02-19

Last updated on: 2026-02-19

Assigner: Red Hat, Inc.

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).

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Meta Information

Published
2026-02-19
Last Modified
2026-02-19
Generated
2026-07-06
AI Q&A
2026-02-19
EPSS Evaluated
2026-07-05
NVD
CVE-2026-2243
EUVD
EUVD-2026-7806

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
qemu qemu *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a flaw found in QEMU where a specially crafted VMDK image can trigger an out-of-bounds read. This means that the software reads data outside the intended memory boundaries.

As a result, this flaw can lead to leaking 12 bytes of sensitive information or cause a denial of service (DoS) condition, where the system or application becomes unavailable or crashes.

Impact Analysis

The impact of this vulnerability includes the potential leakage of sensitive information, which could compromise confidentiality.

Additionally, it can cause a denial of service condition, disrupting the availability of the affected system or application.

Compliance Impact

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Detection Guidance

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