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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbsd:openbsd:6.9:*:*:*:*:*:*:*", "matchCriteriaId": "D51D33B9-AB0D-4180-8CCC-0DE4A3C0151D", "vulnerable": true}, {"criteria": "cpe:2.3:a:openbsd:openbsd:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "602D3C6F-C1FD-4FBF-9FC7-3E109E4E6FD5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "engine.c in slaacd in OpenBSD 6.9 and 7.0 before 2022-02-21 has a buffer overflow triggerable by an IPv6 router advertisement with more than seven nameservers. NOTE: privilege separation and pledge can prevent exploitation."}, {"lang": "es", "value": "El archivo engine.c en slaacd en OpenBSD versiones 6.9 y 7.0 anteriores a 21-02-2022, presenta un desbordamiento de b\u00fafer desencadenable por un anuncio de enrutador IPv6 con m\u00e1s de siete servidores de nombre. NOTA: la separaci\u00f3n de privilegios y la protecci\u00f3n pueden prevenir la explotaci\u00f3n"}], "id": "CVE-2022-27881", "lastModified": "2026-06-17T04:37:41.210", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-03-25T18:15:27.617", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch", "Third Party Advisory"], "url": "https://blog.quarkslab.com/heap-overflow-in-openbsds-slaacd-via-router-advertisement.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Release Notes", "Vendor Advisory"], "url": "https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20220506-0005/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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