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CVE-2026-59842

CVE-2026-59842 · Libssh: libssh: information disclosure via short gssapi curve25519 public key

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A flaw was found in libssh. During server-side GSSAPI key exchange, a client-supplied Curve25519 public key shorter than the expected length is copied without proper length validation, leading to an out-of-bounds heap read. This could allow a remote unauthenticated attacker to disclose small amounts of server memory.

CVSS 3.7 · Faible · EPSS 0,5% · Correctif disponible

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