{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-73429",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-08-12T14:32:11.796Z",
        "datePublished": "2026-08-12T20:53:19.558Z",
        "dateUpdated": "2026-08-14T22:15:45.159Z"
    },
    "containers": {
        "cna": {
            "title": "Russh: client wrong-length X25519 `clone_from_slice` panic (pre-auth DoS)",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-704",
                            "lang": "en",
                            "description": "CWE-704: Incorrect Type Conversion or Cast",
                            "type": "CWE"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-754",
                            "lang": "en",
                            "description": "CWE-754: Improper Check for Unusual or Exceptional Conditions",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "LOW",
                        "attackVector": "NETWORK",
                        "availabilityImpact": "LOW",
                        "baseScore": 5.3,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "privilegesRequired": "NONE",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/Eugeny/russh/security/advisories/GHSA-g9hv-x236-4qp3",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/Eugeny/russh/security/advisories/GHSA-g9hv-x236-4qp3"
                },
                {
                    "name": "https://github.com/Eugeny/russh/commit/a7fc1eb5717264e31c3c5f7dd849b73989a08f3d",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/Eugeny/russh/commit/a7fc1eb5717264e31c3c5f7dd849b73989a08f3d"
                },
                {
                    "name": "https://github.com/Eugeny/russh/releases/tag/v0.62.4",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/Eugeny/russh/releases/tag/v0.62.4"
                }
            ],
            "affected": [
                {
                    "vendor": "Eugeny",
                    "product": "russh",
                    "versions": [
                        {
                            "version": "< 0.62.4",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-08-12T20:53:19.558Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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 KEX_ECDH_REPLY containing a server ephemeral value that is not 32 bytes long. The client-side Curve25519Kex::compute_shared_secret function in russh/src/kex/curve25519.rs passes the decoded exchange.server_ephemeral value to clone_from_slice without validating its length, causing a deterministic panic before the server host key is verified. The panic terminates the spawned client session task and surfaces as a JoinError, while the embedding process normally remains running. This issue is fixed in version 0.62.4."
                }
            ],
            "source": {
                "advisory": "GHSA-g9hv-x236-4qp3",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "references": [
                    {
                        "url": "https://github.com/Eugeny/russh/security/advisories/GHSA-g9hv-x236-4qp3",
                        "tags": [
                            "exploit"
                        ]
                    }
                ],
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-14T22:15:11.220092Z",
                                "id": "CVE-2026-73429",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "yes"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-14T22:15:45.159Z"
                }
            }
        ]
    }
}