CVE-2011-4528

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2011-12-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2011-12-31T10:00:00.000Z", "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt"}, {"name": "47326", "tags": ["third-party-advisory", "x_refsource_SECUNIA"], "url": "http://secunia.com/advisories/47326"}, {"name": "VU#209659", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/209659"}, {"name": "DSA-2370", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2011/dsa-2370"}, {"name": "FEDORA-2011-17337", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html"}, {"name": "77909", "tags": ["vdb-entry", "x_refsource_OSVDB"], "url": "http://osvdb.org/77909"}, {"name": "FEDORA-2011-17282", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cert@cert.org", "ID": "CVE-2011-4528", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt", "refsource": "CONFIRM", "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt"}, {"name": "47326", "refsource": "SECUNIA", "url": "http://secunia.com/advisories/47326"}, {"name": "VU#209659", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/209659"}, {"name": "DSA-2370", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2011/dsa-2370"}, {"name": "FEDORA-2011-17337", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html"}, {"name": "77909", "refsource": "OSVDB", "url": "http://osvdb.org/77909"}, {"name": "FEDORA-2011-17282", "refsource": "FEDORA", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-07T00:09:18.826Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt"}, {"name": "47326", "tags": ["third-party-advisory", "x_refsource_SECUNIA", "x_transferred"], "url": "http://secunia.com/advisories/47326"}, {"name": "VU#209659", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "http://www.kb.cert.org/vuls/id/209659"}, {"name": "DSA-2370", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2011/dsa-2370"}, {"name": "FEDORA-2011-17337", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html"}, {"name": "77909", "tags": ["vdb-entry", "x_refsource_OSVDB", "x_transferred"], "url": "http://osvdb.org/77909"}, {"name": "FEDORA-2011-17282", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html"}]}]}, "cveMetadata": {"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "assignerShortName": "certcc", "cveId": "CVE-2011-4528", "datePublished": "2011-12-20T11:00:00.000Z", "dateReserved": "2011-11-22T00:00:00.000Z", "dateUpdated": "2024-08-07T00:09:18.826Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cret@cert.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:unbound:unbound:*:*:*:*:*:*:*:*", "matchCriteriaId": "DE7A3810-B4E1-4E49-B82E-1940D05BF8EF", "versionEndIncluding": "1.4.13", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.0:*:*:*:*:*:*:*", "matchCriteriaId": "7515192E-C07E-4399-85D0-2A1BC2F9B993", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.1:*:*:*:*:*:*:*", "matchCriteriaId": "34D6D064-EA2B-4BA9-9D30-5A92DE178608", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.2:*:*:*:*:*:*:*", "matchCriteriaId": "55FAC8A9-EF56-407C-BF10-41F7C768E30A", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.3:*:*:*:*:*:*:*", "matchCriteriaId": "E302E40E-EA2F-4021-89BB-B6B9B6B995A7", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.4:*:*:*:*:*:*:*", "matchCriteriaId": "E90F2613-9484-46DC-AE00-23F5E803771B", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.5:*:*:*:*:*:*:*", "matchCriteriaId": "39CCA38F-6DFD-4506-BAE3-A587F1A1D017", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.6:*:*:*:*:*:*:*", "matchCriteriaId": "10DD7299-6C4E-46EA-BAD8-FE8B868995A7", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.7:*:*:*:*:*:*:*", "matchCriteriaId": "836ABCDF-C8DB-4485-B7AE-E03AA281DB69", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.7.1:*:*:*:*:*:*:*", "matchCriteriaId": "3992786F-0848-497D-8BE2-924C57FF94ED", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.7.2:*:*:*:*:*:*:*", "matchCriteriaId": "AD592895-AF66-4F27-A7FE-00C4FCC06BFC", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.8:*:*:*:*:*:*:*", "matchCriteriaId": "0FA67BEE-E12C-4CEA-AFF0-008B0226B4A1", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.09:*:*:*:*:*:*:*", "matchCriteriaId": "FF97B8FC-4CC9-412E-A24D-6A74671EDE66", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.10:*:*:*:*:*:*:*", "matchCriteriaId": "4D0C50E1-4234-452E-B172-9A5C180899F9", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:0.11:*:*:*:*:*:*:*", "matchCriteriaId": "F81D9F43-8435-452A-8784-63BABA66BFA4", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "A2A428BA-0BA7-4BBF-AC59-C14E5CCD5DCC", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "0344EB60-49BD-4F42-A123-E68D92D4357C", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.0.2:*:*:*:*:*:*:*", "matchCriteriaId": "55620605-A826-45B6-A539-F93ACC6136F3", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "CCB47D47-ECBC-491F-B75D-0C59D292F030", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "D19FA146-0379-4FAD-ABD1-A5F74CEBEC4F", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.2.0:*:*:*:*:*:*:*", "matchCriteriaId": "8E4D0493-2252-4A24-9541-7ABE1D09A594", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.2.1:*:*:*:*:*:*:*", "matchCriteriaId": "4123BEB8-8BE3-4A63-9EA2-1CD81F673F16", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.3.0:*:*:*:*:*:*:*", "matchCriteriaId": "B2E809EF-3FE1-45A5-B6F5-0ADBA3DD1B54", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "43B6AF61-C55F-460B-AC6B-4736A49B9925", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.3.2:*:*:*:*:*:*:*", "matchCriteriaId": "B3CEC475-F5E1-4663-BBDC-E7A0E8C4072E", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "96AA4EB6-096C-47C6-8363-3D5652D89E33", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.3.4:*:*:*:*:*:*:*", "matchCriteriaId": "845BB2BD-4CEA-48DA-8FA4-CFB79DE03939", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "C9113AD4-25B3-40ED-80DB-5A4EC21AA1F5", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.1:*:*:*:*:*:*:*", "matchCriteriaId": "9640A5D9-C1B3-49F1-AFAA-6D57066A2072", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.2:*:*:*:*:*:*:*", "matchCriteriaId": "A6DC0896-75BA-4DD3-9B30-DFD531E4336E", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.3:*:*:*:*:*:*:*", "matchCriteriaId": "1B2FDA5D-6F4F-4870-B229-FD48C663B8E4", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.4:*:*:*:*:*:*:*", "matchCriteriaId": "58C6E245-8D36-43B7-B1B0-9B0B19C45EAA", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.5:*:*:*:*:*:*:*", "matchCriteriaId": "0DB6BD03-BBBF-4AD9-9076-30B423A345E0", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.6:*:*:*:*:*:*:*", "matchCriteriaId": "9728B9F3-4A4C-4332-9821-D82F81C2F4C7", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.7:*:*:*:*:*:*:*", "matchCriteriaId": "27F18C3C-6E8B-46EF-8301-E3768F7AE739", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.8:*:*:*:*:*:*:*", "matchCriteriaId": "0F238D5D-2E86-4F79-84ED-1822338AF65A", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.9:*:*:*:*:*:*:*", "matchCriteriaId": "E0D54E5E-BF0E-46F3-BB3A-E0FC7F5B93A7", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.10:*:*:*:*:*:*:*", "matchCriteriaId": "564EB98A-535A-4EC5-B145-127156AD6452", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.11:*:*:*:*:*:*:*", "matchCriteriaId": "FFFA0D04-1B5E-4F3F-811C-F46BAB760F03", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.12:*:*:*:*:*:*:*", "matchCriteriaId": "3A01DA48-1220-4DC6-A74E-E1BAECB45DCB", "vulnerable": true}, {"criteria": "cpe:2.3:a:unbound:unbound:1.4.14:rc1:*:*:*:*:*:*", "matchCriteriaId": "B4BEF501-D716-4618-BD78-0A2534712125", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unbound before 1.4.13p2 attempts to free unallocated memory during processing of duplicate CNAME records in a signed zone, which allows remote DNS servers to cause a denial of service (daemon crash) via a crafted response."}, {"lang": "es", "value": "Unbound antes de v1.4.13p2 intenta liberar memoria sin asignar durante el procesado de registros CNAME duplicados, lo que permite a servidores DNS remotos provocar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de una respuesta modificada."}], "evaluatorComment": "Per: http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt\r\n\r\n\"1.4.14 is released with the patch, but 1.4.14rc1 is vulnerable.\r\nhttp://www.unbound.net/downloads/unbound-1.4.14.tar.gz\"", "id": "CVE-2011-4528", "lastModified": "2026-06-16T23:34:59.680", "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}]}, "published": "2011-12-20T11:55:05.757", "references": [{"source": "cret@cert.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html"}, {"source": "cret@cert.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html"}, {"source": "cret@cert.org", "url": "http://osvdb.org/77909"}, {"source": "cret@cert.org", "url": "http://secunia.com/advisories/47326"}, {"source": "cret@cert.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt"}, {"source": "cret@cert.org", "url": "http://www.debian.org/security/2011/dsa-2370"}, {"source": "cret@cert.org", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/209659"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/77909"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/47326"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2011/dsa-2370"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/209659"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-399"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}