wolfSSL Inc. wolfSSH

• CVE-2026-84897 Medium 6.9 wolfSSH server accepts server-to-client DH group exchange messages from an unauthenticated client, causing pre-authentication primality-test CPU exhaustion and key exchange role confusion 0.5%
• CVE-2026-83742 Medium 5.3 wstrncat() unsigned integer underflow leads to an off-by-one null write in wolfSSH on non-Windows platforms 0.4%
• CVE-2026-81535 Medium 6.3 wolfSSH SSH client accepts unsolicited forwarded-tcpip channel opens without an authorization check 0.3%
• CVE-2026-16516 Critical 9.0 wolfSSH ECDSA host key curve not validated against negotiated algorithm 0.2%
• CVE-2024-2873 Critical 9.1 User authentication bypass in wolfSSH server 0.6%