{"cve":"CVE-2018-12018","nvd":{"published":"2018-07-05T02:29:00.247","modified":"2026-06-17T01:37:00.223","status":"Modified","description":"The GetBlockHeadersMsg handler in the LES protocol implementation in Go Ethereum (aka geth) before 1.8.11 may lead to an access violation because of an integer signedness error for the array index, which allows attackers to launch a Denial of Service attack by sending a packet with a -1 query.Skip value. The vulnerable remote node would be crashed by such an attack immediately, aka the EPoD (Ethereum Packet of Death) issue.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-129"],"references":["https://github.com/ethereum/go-ethereum/commit/a5237a27eaf81946a3edb4fafe13ed6359d119e4","https://github.com/ethereum/go-ethereum/pull/16891","https://github.com/ethereum/go-ethereum/releases/tag/v1.8.11","https://peckshield.com/2018/06/27/EPoD/","https://github.com/ethereum/go-ethereum/commit/a5237a27eaf81946a3edb4fafe13ed6359d119e4"],"products":["ethereum:go_ethereum"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2018-12018","score":0.04255,"percentile":0.9106,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-p5gc-957x-gfw9","url":"https://osv.dev/vulnerability/GHSA-p5gc-957x-gfw9","summary":"Go Ethereum LES protocol implementation vulnerable to Denial of Service","modified":"2024-05-20T19:55:50Z","packages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","purl":"pkg:golang/github.com/ethereum/go-ethereum","ranges":["<1.8.11"],"fixed":["1.8.11"]}]},{"id":"GO-2021-0075","url":"https://osv.dev/vulnerability/GO-2021-0075","summary":"Panic due to improper validation of RPC messages in github.com/ethereum/go-ethereum","modified":"2024-06-03T20:51:31Z","packages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","purl":"pkg:golang/github.com/ethereum/go-ethereum","ranges":["<1.8.11"],"fixed":["1.8.11"]}]}],"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."]}