{"id":"CVE-2021-42219","details":"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.","aliases":["GHSA-vrcc-g6vj-mh5w"],"modified":"2026-08-07T16:57:46.607720Z","published":"2022-03-17T00:15:07.813Z","references":[{"type":"EVIDENCE","url":"https://docs.google.com/document/d/1dYFSpNZPC0OV-n1mMqdc269u9yYU1XQy/edit?usp=sharing&ouid=112110745137218798745&rtpof=true&sd=true"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ethereum/go-ethereum","events":[{"introduced":"eae3b1946a276ac099e0018fc792d9e8c3bfda6d"},{"last_affected":"eae3b1946a276ac099e0018fc792d9e8c3bfda6d"}],"database_specific":{"extracted_events":[{"introduced":"1.10.9"},{"last_affected":"1.10.9"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:ethereum:go_ethereum:1.10.9:*:*:*:*:*:*:*"}}],"versions":["1.10.9","v1.10.9"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42219.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}