Threats Tagged 'cve-2026-73430'
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Threats Tagged 'cve-2026-73430'
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0 Russh is a Rust SSH client & server library. Prior to 0.62.4, an unauthenticated SSH client can cause a denial of service by sending SSH_MSG_KEX_ECDH_INIT with a 32-byte all-zero Q_C value. Curve25519Kex::server_dh in russh/src/kex/curve25519.rs accepts the all-zero peer public value and computes an all-zero shared secret, after which compute_exchange_hash calls encode_mpint in russh/src/kex/mod.rs and indexes beyond the end of the input while skipping leading zero bytes. The resulting panic occurs before authentication and terminates the server key-exchange task. This issue is fixed in version 0.62.4. Join the discussion | CVE Database V5 | 08/12/2026, 20:55:38 UTC Added: 08/12/2026, 21:13:14 UTC |
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