{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-26314", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-02-13T16:27:51.807Z", "datePublished": "2026-02-19T21:15:11.752Z", "dateUpdated": "2026-02-19T21:15:11.752Z"}, "containers": {"cna": {"title": "Go Ethereum affected by DoS via malicious p2p message", "problemTypes": [{"descriptions": [{"cweId": "CWE-20", "lang": "en", "description": "CWE-20: Improper Input Validation", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r"}, {"name": "https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60", "tags": ["x_refsource_MISC"], "url": "https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60"}, {"name": "https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9", "tags": ["x_refsource_MISC"], "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9"}], "affected": [{"vendor": "ethereum", "product": "go-ethereum", "versions": [{"version": "< 1.16.9", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-02-19T21:15:11.752Z"}, "descriptions": [{"lang": "en", "value": "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."}], "source": {"advisory": "GHSA-2gjw-fg97-vg3r", "discovery": "UNKNOWN"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-26314", "lastModified": "2026-02-19T22:16:46.813", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-02-19T22:16:46.813", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/ethereum/go-ethereum/commit/895a8597cb16c02203e38707ed2d1da5c500fe60"}, {"source": "security-advisories@github.com", "url": "https://github.com/ethereum/go-ethereum/releases/tag/v1.16.9"}, {"source": "security-advisories@github.com", "url": "https://github.com/ethereum/go-ethereum/security/advisories/GHSA-2gjw-fg97-vg3r"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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