{"id":"CVE-2025-66016","aliases":["GHSA-m95p-425x-x889","RUSTSEC-2025-0129","RUSTSEC-2025-0130"],"url":"https://o3.security/vulnerability/CVE-2025-66016","summary":"CGGMP24 is missing a check in the ZK proof used in CGGMP21","details":"### Impact\ncggmp21  concerns a missing check in the ZK proof that enables an attack in which a single malicious signer can reconstruct full private key.\n\n### Patches\n* `cggmp21 v0.6.3` is a patch release that contains a fix that introduces this specific missing check\n* However, cggmp21 recommends upgrading to `cggmp24 v0.7.0-alpha.2` which contains many other security checks as a precaution. Follow [migration guideline](https://github.com/LFDT-Lockness/cggmp21/blob/v0.7.0-alpha.2/CGGMP21_MIGRATION.md) to upgrade.\n\n### Workarounds\nUpdate to `cggmp21 v0.6.3`, a minor release that contains a minimal security patch.\n\nHowever, for full mitigation, users will need to upgrade to `cggmp24 v0.7.0-alpha.2` as it contains many more security check implementations.\n\n### Resources\nRead this [blog post](https://www.dfns.co/article/cggmp21-vulnerabilities-patched-and-explained) to learn more.","published":"2025-11-25T19:48:16.483Z","modified":"2026-10-28T02:30:32.857444788Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"crates.io","name":"cggmp21","fixedVersion":"0.6.3"},{"ecosystem":"crates.io","name":"cggmp24","fixedVersion":"0.7.0-alpha.2"}],"fix":{"url":"https://github.com/LFDT-Lockness/cggmp21/commit/60e0ada5291e771d5649793329d99edd32285e72","label":"LFDT-Lockness/cggmp21@60e0ada"},"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-2025-66016.json"},{"type":"ADVISORY","url":"https://github.com/LFDT-Lockness/cggmp21/security/advisories/GHSA-m95p-425x-x889"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66016"},{"type":"WEB","url":"https://github.com/LFDT-Lockness/cggmp21/commit/60e0ada5291e771d5649793329d99edd32285e72"},{"type":"PACKAGE","url":"https://github.com/LFDT-Lockness/cggmp21"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2025-0129.html"},{"type":"WEB","url":"https://rustsec.org/advisories/RUSTSEC-2025-0130.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-28T02:30:32.857444788Z"}}