cvedb.io
CVE-2021-45699
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2021-12-27T00:15:09.623 · Last modified 2026-06-17T04:13:58.337

Summary

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.

Affected products

nervos — ckb

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.