Vulnerability · Published Mar 16, 2022 · Assigned by mitre
CVE-2021-42219
High 7.5
In plain English
A high-severity security flaw in the github.com/ethereum/go-ethereum package (Go). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 31.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Go-Ethereum v1.10.9 was discovered to contain an issue which allows attackers to cause a denial of service (DoS) via sending an excessive amount of messages to a node. This is caused by missing memory in the component /ethash/algorithm.go.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/ethereum/go-ethereum | no fix listed | GHSA-vrcc-g6vj-mh5w |