{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97152", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "state": "PUBLISHED", "assignerShortName": "mitre", "dateReserved": "2026-09-24T03:17:23.134Z", "datePublished": "2026-09-24T03:17:23.503Z", "dateUpdated": "2026-09-24T03:17:23.503Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "modules": ["websocket"], "product": "Nanomsg", "programFiles": ["ws_handshake.c"], "repo": "https://github.com/nanomsg/nanomsg", "vendor": "Nanomsg", "versions": [{"lessThan": "1.2.3", "status": "affected", "version": "0.5.0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.6, "baseSeverity": "HIGH", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "description": "CWE-122 Heap-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-24T03:17:23.503Z"}, "references": [{"url": "https://github.com/nanomsg/nanomsg/pull/1130"}, {"url": "https://nanomsg.org"}, {"url": "https://github.com/nanomsg/nanomsg/releases/tag/1.2.3"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Upgrade to nanomsg 1.2.3 or higher, or use NNG which is hardened for hostile networks."}], "value": "Upgrade to nanomsg 1.2.3 or higher, or use NNG which is hardened for hostile networks."}], "workarounds": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Disable the websocket transport, or ensure that it is only available to trusted peers."}], "value": "Disable the websocket transport, or ensure that it is only available to trusted peers."}], "x_generator": {"engine": "CVE-Request-form 0.0.1"}}}}

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