CVE ID : CVE-2025-5372
Published : July 4, 2025, 6:15 a.m. | 1 hour, 36 minutes ago
Description : A flaw was found in libssh versions built with OpenSSL versions older than 3.0, specifically in the ssh_kdf() function responsible for key derivation. Due to inconsistent interpretation of return values where OpenSSL uses 0 to indicate failure and libssh uses 0 for success—the function may mistakenly return a success status even when key derivation fails. This results in uninitialized cryptographic key buffers being used in subsequent communication, potentially compromising SSH sessions’ confidentiality, integrity, and availability.
Severity: 5.0 | MEDIUM
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