{"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": "2026-01-10T06:14:20.292Z"}, "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"}}}}

{}

{"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."}], "id": "CVE-2026-22705", "lastModified": "2026-01-10T07:16:03.363", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 1.2, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-01-10T07:16:03.363", "references": [{"source": "security-advisories@github.com", "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"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1240"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}