{"schema_version":"1.9.0","id":"CVE-2026-26314","published":"2026-02-19T21:15:11.752Z","modified":"2026-08-12T15:32:01.361967Z","aliases":["GHSA-2gjw-fg97-vg3r","GO-2026-4507"],"related":["SUSE-SU-2026:0757-1","openSUSE-SU-2026:21483-1"],"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.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ethereum/go-ethereum","events":[{"introduced":"0"},{"fixed":"95665d5703e1023995a0ff93e4ce9eb77e8a59bd"},{"fixed":"895a8597cb16c02203e38707ed2d1da5c500fe60"}],"database_specific":{"cpe":"cpe:2.3:a:ethereum:go_ethereum:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.16.9"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v1.16.8","v1.16.7","v1.16.6","v1.16.5","v1.16.4","v1.16.3","v1.16.2","v1.16.1","v1.16.0","v1.15.11","v1.15.10","v1.15.9","v1.15.8","v1.15.7","v1.15.6","v1.15.5","v1.15.4","v1.15.3","v1.15.2","v1.15.1","v1.15.0","v1.14.5","v1.14.4","v1.14.3","v1.14.2","v1.14.0","v1.13.4","v1.13.3","v1.13.2","v1.13.1","v1.13.0","v1.12.1","v1.12.0","v1.11.6","v1.11.5","v1.11.4","v1.11.3","v1.11.2","v1.11.1","v1.11.0","v1.10.23","v1.10.22","v1.10.21","v1.10.20","v1.10.19","v1.10.18","v1.10.17","v1.10.16","v1.10.15","v1.10.14","v1.10.13","v1.10.12","v1.10.11","v1.10.10","v1.10.9","v1.10.8","v1.10.7","v1.10.6","v1.10.5","v1.10.4","v1.10.3","v1.10.2","v1.10.1","v1.10.0","v1.9.25","v1.9.24","v1.9.23","v1.9.22","v1.9.21","v1.9.20","v1.9.19","v1.9.18","v1.9.17","v1.9.16","v1.9.15","v1.9.14","v1.9.13","v1.9.12","v1.9.11","v1.9.10","v1.9.9","v1.9.8","v1.9.7","v1.9.6","v1.9.5","v1.9.4","v1.9.3","v1.9.2","v1.9.1","v1.9.0","v1.8.21","v1.8.20","v1.8.19","v1.8.18","v1.8.17","v1.8.16","v1.8.15","v1.8.14","v1.8.13","v1.8.12","v1.8.11","v1.8.10","v1.8.9","v1.8.8","v1.8.7","v1.8.6","v1.8.5","v1.8.4","v1.8.3","v1.8.2","v1.8.1","v1.8.0","v1.7.3","v1.7.2","v1.7.1","v1.7.0","v1.6.7","v1.6.6","v1.6.5","v1.6.4","v1.6.3","v1.6.2","v1.6.1","v1.6.0","v1.5.9","v1.5.8","v1.5.7","v1.5.6","v1.5.5","v1.5.4","v1.5.3","v1.5.2","v1.5.1","v1.5.0","v1.0.1","v0.9.38","v0.9.36","v0.9.34-1","v0.9.34","v0.9.32","v0.9.30","v0.9.28","v0.9.26","v0.9.25","v0.9.24","0.9.23","v0.9.23","v0.9.22","v0.9.21","v0.9.20","v0.9.18","v0.9.17","0.9.16","v0.8.4","0.5.19","0.5.18","0.5.17","0.5.16","0.5.15","0.5.14","0.5.13","poc5-rc12","poc5-rc11","2","poc5-rc10","poc5-rc9","poc5-rc8","poc5-rc7","poc5-rc6","poc5-rc4","poc5-rc3","poc5-rc2","poc5-rc1","0.3.1","0.3.0","0.2.2","poc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26314.json","vanir_signatures":[{"deprecated":false,"digest":{"function_hash":"44622898723236999431342883810517715744","length":684},"id":"CVE-2026-26314-01f00d10","signature_type":"Function","signature_version":"v1","source":"https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60","target":{"file":"crypto/secp256k1/ext.h","function":"secp256k1_ext_scalar_mul"}},{"deprecated":false,"digest":{"line_hashes":["73264997925125134336452851907900619787","188269721243058888770819813480548265224","112297746368779224319866079627007684330","241840739593558975761918848871078193038","23954139147975017107440540459909476981"],"threshold":0.9},"id":"CVE-2026-26314-06b71dde","signature_type":"Line","signature_version":"v1","source":"https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60","target":{"file":"crypto/secp256k1/ext.h"}}],"vanir_signatures_modified":"2026-08-12T15:32:01Z"}}],"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"}],"database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-20"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26314.json"},"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"}]}