{
  "containers": {
    "cna": {
      "affected": [
        {
          "product": "signatures",
          "vendor": "RustCrypto",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.1.0-rc.2"
            }
          ]
        }
      ],
      "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."
        }
      ],
      "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"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1240",
              "description": "CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-10T06:14:20.292Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "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"
        }
      ],
      "source": {
        "advisory": "GHSA-hcp2-x6j4-29j7",
        "discovery": "UNKNOWN"
      },
      "title": "RustCrypto: Signatures has timing side-channel in ML-DSA decomposition"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-22705",
    "datePublished": "2026-01-10T06:14:20.292Z",
    "dateReserved": "2026-01-08T19:23:09.857Z",
    "dateUpdated": "2026-01-10T06:14:20.292Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-22705\",\"sourceIdentifier\":\"security-advisories@github.com\",\"published\":\"2026-01-10T07:16:03.363\",\"lastModified\":\"2026-01-10T07:16:03.363\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":1.2,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"security-advisories@github.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1240\"}]}],\"references\":[{\"url\":\"https://github.com/RustCrypto/signatures/commit/035d9eef98486ecd00a8bf418c7817eb14dd6558\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/RustCrypto/signatures/pull/1144\",\"source\":\"security-advisories@github.com\"},{\"url\":\"https://github.com/RustCrypto/signatures/security/advisories/GHSA-hcp2-x6j4-29j7\",\"source\":\"security-advisories@github.com\"}]}}"
  }
}