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

🗓️ 24 Jul 2026 16:47:16Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 5 Views

A malformed key-exchange reply crashes a russh client with a wrong-length X25519 key during pre-auth DoS.

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24 Jul 2026 16:47Current
5.9Medium risk
Vulners AI Score5.9
5