{"cve":"CVE-2023-40591","nvd":{"published":"2023-09-06T19:15:44.100","modified":"2026-06-17T06:18:36.990","status":"Modified","description":"go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. A vulnerable node, can be made to consume unbounded amounts of memory when handling specially crafted p2p messages sent from an attacker node. The fix is included in geth version `1.12.1-stable`, i.e, `1.12.2-unstable` and onwards. Users are advised to upgrade. There are no known workarounds for this vulnerability.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-400"],"references":["https://geth.ethereum.org/docs/developers/geth-developer/disclosures","https://github.com/ethereum/go-ethereum/releases/tag/v1.12.1","https://github.com/ethereum/go-ethereum/security/advisories/GHSA-ppjg-v974-84cm","https://geth.ethereum.org/docs/developers/geth-developer/disclosures","https://github.com/ethereum/go-ethereum/releases/tag/v1.12.1"],"products":["ethereum:go_ethereum"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-40591","score":0.01121,"percentile":0.66198,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-ppjg-v974-84cm","url":"https://osv.dev/vulnerability/GHSA-ppjg-v974-84cm","summary":"Go-Ethereum vulnerable to denial of service via malicious p2p message","modified":"2026-09-10T03:49:58.385793589Z","packages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","purl":"pkg:golang/github.com/ethereum/go-ethereum","ranges":["<1.12.1-stable"],"fixed":["1.12.1-stable"]}]},{"id":"GO-2023-2046","url":"https://osv.dev/vulnerability/GO-2023-2046","summary":"Unbounded memory consumption in github.com/ethereum/go-ethereum","modified":"2026-03-03T04:54:08.965124Z","packages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","purl":"pkg:golang/github.com/ethereum/go-ethereum","ranges":["<1.12.1"],"fixed":["1.12.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}