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
2026-07-26
AI Q&A
2026-02-19
EPSS Evaluated
2026-07-25
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.

Detection Guidance

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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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Mitigation Strategies

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