{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-22705",
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "state": "PUBLISHED",
        "assignerShortName": "GitHub_M",
        "dateReserved": "2026-01-08T19:23:09.857Z",
        "datePublished": "2026-01-10T06:14:20.292Z",
        "dateUpdated": "2026-01-12T16:43:06.463Z"
    },
    "containers": {
        "cna": {
            "title": "RustCrypto: Signatures has timing side-channel in ML-DSA decomposition",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "cweId": "CWE-1240",
                            "lang": "en",
                            "description": "CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "attackComplexity": "HIGH",
                        "attackVector": "ADJACENT_NETWORK",
                        "availabilityImpact": "NONE",
                        "baseScore": 6.4,
                        "baseSeverity": "MEDIUM",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
                        "privilegesRequired": "LOW",
                        "scope": "UNCHANGED",
                        "userInteraction": "NONE",
                        "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
                        "version": "3.1"
                    }
                }
            ],
            "references": [
                {
                    "name": "https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7",
                    "tags": [
                        "x_refsource_CONFIRM"
                    ],
                    "url": "https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7"
                },
                {
                    "name": "https://github.com/RustCrypto/signatures/pull/1144",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/RustCrypto/signatures/pull/1144"
                },
                {
                    "name": "https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558",
                    "tags": [
                        "x_refsource_MISC"
                    ],
                    "url": "https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558"
                }
            ],
            "affected": [
                {
                    "vendor": "RustCrypto",
                    "product": "signatures",
                    "versions": [
                        {
                            "version": "< 0.1.0-rc.2",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "providerMetadata": {
                "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
                "shortName": "GitHub_M",
                "dateUpdated": "2026-01-10T06:14:20.292Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "RustCrypto: Signatures offers support for digital signatures, which provide authentication of data using public-key cryptography. Prior to version 0.1.0-rc.2, a timing side-channel was discovered in the Decompose algorithm which is used during ML-DSA signing to generate hints for the signature. This issue has been patched in version 0.1.0-rc.2."
                }
            ],
            "source": {
                "advisory": "GHSA-hcp2-x6j4-29j7",
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-01-12T16:42:51.482698Z",
                                "id": "CVE-2026-22705",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-01-12T16:43:06.463Z"
                }
            }
        ]
    }
}