CVE-2023-5215

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

A flaw was found in libnbd. A server can reply with a block size larger than 2^63 (the NBD spec states the size is a 64-bit unsigned value). This issue could lead to an application crash or other unintended behavior for NBD clients that doesn't treat the return value of the nbd_get_size() function correctly.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-241 CWE-252

Affected software

No affected versions have been published.

Timeline

Published: Sep 28, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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