{"id":"EUVD-2022-0422","revision":"59a3065e1b80473c85305e0d38e78e6f","records":[{"revision":"59a3065e1b80473c85305e0d38e78e6f","observedAt":"2026-11-03T21:02:42.161+00:00","statement":{"source":"euvd","id":"EUVD-2022-0422","aliases":["CVE-2021-45699","GHSA-2969-8hh9-57jc"],"title":"An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap.","description":"An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[],"references":["https://rustsec.org/advisories/RUSTSEC-2021-0108.html","https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2022-0422","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Dec 26, 2021, 9:49:25 PM","dateUpdated":"Aug 4, 2024, 4:47:02 AM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2022-0422","identifiers":["EUVD-2022-0422","CVE-2021-45699","GHSA-2969-8hh9-57jc"]},"retained":false,"historicalAffected":[]}],"coverage":[]}