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OpenSSH Project

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medium advisory

OpenSSH sshd Denial-of-Service via GSSAPI Authentication (CVE-2026-60000)

A high-severity denial-of-service vulnerability, CVE-2026-60000, affects OpenSSH versions prior to 10.4, allowing remote attackers to exhaust server resources through excessive and mishandled GSSAPI authentication attempts, leading to service unavailability.

OpenSSH < 10.4 +1 denial-of-service ssh openssh network-attack
1c