{"id":"CVE-2026-26314","aliases":["GHSA-2gjw-fg97-vg3r","GO-2026-4507"],"url":"https://o3.security/vulnerability/CVE-2026-26314","summary":"Go Ethereum affected by DoS via malicious p2p message","details":"go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulnerable node can be forced to shutdown/crash using a specially crafted message. The problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.","published":"2026-02-19T21:15:11.752Z","modified":"2026-08-12T15:32:01.361967Z","cvss":null,"epss":{"score":0.0058,"percentile":0.45092,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/ethereum/go-ethereum","fixedVersion":"1.16.9"}],"fix":{"url":"https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60","label":"ethereum/go-ethereum@895a859"},"references":[{"type":"WEB","url":"https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26314.json"},{"type":"ADVISORY","url":"https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-26314"},{"type":"FIX","url":"https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T15:32:01.361967Z"}}