High severityNVD Advisory· Published Dec 26, 2021· Updated Aug 4, 2024
CVE-2021-45699
CVE-2021-45699
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
ckbcrates.io | < 0.40.0 | 0.40.0 |
Affected products
2- ckb/ckbdescription
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-2969-8hh9-57jcghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-45699ghsaADVISORY
- github.com/nervosnetwork/ckb/security/advisories/GHSA-48vq-8jqv-gm6fghsaWEB
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/ckb/RUSTSEC-2021-0108.mdghsax_refsource_MISCWEB
- rustsec.org/advisories/RUSTSEC-2021-0108.htmlghsax_refsource_MISCWEB
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