{"id":"CVE-2021-43668","details":"Go-Ethereum 1.10.9 nodes crash (denial of service) after receiving a serial of messages and cannot be recovered. They will crash with \"runtime error: invalid memory address or nil pointer dereference\" and arise a SEGV signal.","aliases":["GHSA-5m8f-chrv-7rw5"],"modified":"2026-08-07T19:47:03.484366Z","published":"2021-11-18T16:15:09.230Z","references":[{"type":"ADVISORY","url":"https://github.com/ethereum/go-ethereum/issues/23866"}],"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-2021-43668.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}