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

🗓️ 12 Aug 2026 20:53:19Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 8 Views

Russh before 0.62.4 panics on malformed 32-byte X25519 KEX_ECDH_REPLY, causing pre-auth client DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-73429
12 Aug 202620:53
attackerkb
circl
Circl
CVE-2026-73429
12 Aug 202622:35
circl
cve
CVE
CVE-2026-73429
12 Aug 202620:53
cve
euvd
EUVD
EUVD-2026-57624
12 Aug 202620:53
euvd
github
Github Security Blog
Russh: client wrong-length X25519 `clone_from_slice` panic (pre-auth DoS)
24 Jul 202616:47
github
nvd
NVD
CVE-2026-73429
12 Aug 202621:17
nvd
osv
OSV
GHSA-G9HV-X236-4QP3 Russh: client wrong-length X25519 `clone_from_slice` panic (pre-auth DoS)
24 Jul 202616:47
osv
[
  {
    "vendor": "Eugeny",
    "product": "russh",
    "versions": [
      {
        "version": "< 0.62.4",
        "status": "affected"
      }
    ]
  }
]

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12 Aug 2026 20:53Current
CVSS 3.15.3
8