{"id":"CVE-2025-66017","aliases":["GHSA-8frv-q972-9rq5","RUSTSEC-2025-0127","RUSTSEC-2025-0128"],"url":"https://o3.security/vulnerability/CVE-2025-66017","summary":"CGGMP21 presignatures can be used in the way that significantly reduces security","details":"CGGMP24 is a state-of-art ECDSA TSS protocol that supports 1-round signing (requires 3 preprocessing rounds), identifiable abort, and a key refresh protocol. In versions 0.6.3 and prior of cggmp21 and version 0.7.0-alpha.1 of cggmp24, presignatures can be used in the way that significantly reduces security. cggmp24 version 0.7.0-alpha.2 release contains API changes that make it impossible to use presignatures in contexts in which it reduces security.","published":"2025-11-25T19:59:07.956Z","modified":"2026-08-12T03:51:11.239219511Z","cvss":null,"epss":{"score":0.00209,"percentile":0.11268,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"cggmp21","fixedVersion":null},{"ecosystem":"crates.io","name":"cggmp24","fixedVersion":"0.7.0-alpha.2"}],"fix":null,"references":[{"type":"WEB","url":"https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66017.json"},{"type":"ADVISORY","url":"https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-8frv-q972-9rq5"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66017"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:11.239219511Z"}}