CVE-2011-4528

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt", "name": "http://unbound.nlnetlabs.nl/downloads/CVE-2011-4528.txt", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.kb.cert.org/vuls/id/209659", "name": "VU#209659", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "refsource": "CERT-VN"}, {"url": "http://secunia.com/advisories/47326", "name": "47326", "tags": [], "refsource": "SECUNIA"}, {"url": "http://www.debian.org/security/2011/dsa-2370", "name": "DSA-2370", "tags": [], "refsource": "DEBIAN"}, {"url": "http://osvdb.org/77909", "name": "77909", "tags": [], "refsource": "OSVDB"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071525.html", "name": "FEDORA-2011-17282", "tags": [], "refsource": "FEDORA"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071535.html", "name": "FEDORA-2011-17337", "tags": [], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-399"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-4528", "ASSIGNER": "cert@cert.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2011-12-20T11:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.4.6:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.4.5:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.3.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.3.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.0.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.0.1:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:1.0.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:unbound:unbound:0.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": 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