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.

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2021-45699 · Microsoft / collected KEV context

EUVD-2022-0422

GHSA-2969-8hh9-57jc

GHSA-48vq-8jqv-gm6f

RUSTSEC-2021-0108

cve-program · CVE-2021-45699

• https://rustsec.org/advisories/RUSTSEC-2021-0108.html
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md

euvd · EUVD-2022-0422

• https://rustsec.org/advisories/RUSTSEC-2021-0108.html
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md

nvd · CVE-2021-45699

• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md
• https://rustsec.org/advisories/RUSTSEC-2021-0108.html

osv · GHSA-2969-8hh9-57jc

• https://github.com/nervosnetwork/ckb/security/advisories/GHSA-48vq-8jqv-gm6f
• https://nvd.nist.gov/vuln/detail/CVE-2021-45699
• https://github.com/nervosnetwork/ckb
• https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.md
• https://rustsec.org/advisories/RUSTSEC-2021-0108.html

osv · GHSA-48vq-8jqv-gm6f

• https://github.com/nervosnetwork/ckb/security/advisories/GHSA-48vq-8jqv-gm6f
• https://rustsec.org/advisories/RUSTSEC-2021-0108.html

osv · RUSTSEC-2021-0108

• https://crates.io/crates/ckb
• https://rustsec.org/advisories/RUSTSEC-2021-0108.html

No related operational record is retained in the current change model.