{"schema_version":"1.7.3","id":"GHSA-2gjw-fg97-vg3r","published":"2026-02-18T22:35:15Z","modified":"2026-02-28T06:26:28.686606Z","aliases":["CVE-2026-26314","GO-2026-4507"],"summary":"Go Ethereum affected by DoS via malicious p2p message","details":"### Impact\n\nA vulnerable node can be forced to shutdown/crash using a specially crafted message.\nMore details to be released later.\n\n### Patches\n\nThe problem is resolved in the v1.16.9 and v1.17.0 releases of Geth.\n\n### Credit\n\nThis issue was reported to the Ethereum Foundation Bug Bounty Program by Waleed Ahmed from vulsight.com","affected":[{"package":{"name":"github.com/ethereum/go-ethereum","ecosystem":"Go","purl":"pkg:golang/github.com/ethereum/go-ethereum"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.16.9"}]}],"database_specific":{"last_known_affected_version_range":"<= 1.16.8","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/02/GHSA-2gjw-fg97-vg3r/GHSA-2gjw-fg97-vg3r.json"}}],"references":[{"type":"WEB","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":"WEB","url":"https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60"},{"type":"PACKAGE","url":"https://github.com/ethereum/go-ethereum"},{"type":"WEB","url":"https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-4507"}],"database_specific":{"cwe_ids":["CWE-20"],"github_reviewed":true,"github_reviewed_at":"2026-02-18T22:35:15Z","nvd_published_at":"2026-02-19T22:16:46Z","severity":"HIGH"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}