{ "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" } } ] } }