CVE-2026-73429 Russh: client wrong-length X25519 `clone_from_slice` panic (pre-auth DoS)

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...

CVE-2026-73429

CVE-2026-73429 affects Russh (Rust SSH client/server library) prior to v0.62.4. A malicious SSH server can trigger a deterministic panic in the client during KEX_ECDH_REPLY handling when the server_ephemeral value is not 32 bytes, as Curve25519Kex::compute_shared_secret passes the decoded value t...

EUVD-2026-57624

Russh is a Rust SSH client & server library. Prior to 0.62.4, a malicious SSH server can crash a russh client session with a malformed KEXECDHREPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::computesharedsecret function in...