CVE-2023-6918

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-252

Affected software

No affected versions have been published.

Timeline

Published: Dec 19, 2023
Last modified: Jun 17, 2026
NVD status: Modified

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