CVE-2011-1922

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "AA2F7047-5435-4616-8357-B72BB3F9A600", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "05137329-C056-4E1E-811E-0AF2899E9EE4", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "850E4420-3B05-4F99-A4C6-AD22E127E7DC", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "B6A23044-AB7D-4303-804B-11ADC8CF4CD3", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "C9DFA469-124B-4F6A-9D86-2B615CC1F5B0", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.2.0:*:*:*:*:*:*:*", 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{"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.4.7:*:*:*:*:*:*:*", "matchCriteriaId": "E69371BD-A296-4097-9537-8CF12F6A6A90", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.4.8:*:*:*:*:*:*:*", "matchCriteriaId": "10D5F8FB-650F-485F-A471-E2F625317CAD", "vulnerable": true}, {"criteria": "cpe:2.3:a:nlnetlabs:unbound:1.4.9:*:*:*:*:*:*:*", "matchCriteriaId": "BA95DEC2-E47D-4B05-9F69-F1EAFBB11F68", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling."}, {"lang": "es", "value": "daemon/worker.c de Unbound 1.x anteriores a 1.4.10, cuando la funcionalidad de depuraci\u00f3n de errores (\"debugging\") y la opci\u00f3n de \"interface-automatic\" est\u00e1n activadas, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (fallo en aserci\u00f3n y finalizaci\u00f3n del demonio) a trav\u00e9s de una petici\u00f3n DNS modificada que provoca un manejo de error incorrecto."}], "id": "CVE-2011-1922", "lastModified": "2026-06-16T23:30:22.280", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2011-05-31T20:55:03.530", "references": [{"source": "secalert@redhat.com", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html"}, {"source": "secalert@redhat.com", "url": "http://osvdb.org/72750"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/44865"}, {"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt"}, {"source": "secalert@redhat.com", "tags": ["Patch", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/531342"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/47986"}, {"source": "secalert@redhat.com", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67645"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061243.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/72750"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/44865"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/531342"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/47986"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/67645"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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