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CVE-2026-48914

6.7
MEDIUMCVSS v3.1 Base Score
0.01%
LOW RiskEPSS (1st percentile)

A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI request, leading to an out-of-bounds write in the host heap memory and a potential denial of service (DoS) for the QEMU process.

Published: 6/12/2026
Modified: 6/12/2026
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Vulnerability Summary

CVSS v3 Score

6.7MEDIUM

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

EPSS Score (Exploitation Probability)

0.01%LOW Exploitation Risk
1st percentile

This vulnerability has a 0.01% probability of being exploited in the next 30 days, ranking higher than 1% of all scored CVEs.

CWE Classification

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Same Weakness Type(CWE-122)

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