CVE-2026-2243
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qemu | qemu | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know