CVE-2016-1983

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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:privoxy:privoxy:*:*:*:*:*:*:*:*", "matchCriteriaId": "134496F0-9094-4783-AC1B-237D9C9D79B6", "versionEndIncluding": "3.0.23", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header."}, {"lang": "es", "value": "La funci\u00f3n client_host en parsers.c en Privoxy en versiones anteriores a 3.0.24 permite a atacantes remotos causar una denegaci\u00f3n de servicio (lectura no v\u00e1lida y ca\u00edda) a trav\u00e9s de una cabecera HTTP Host vac\u00eda."}], "id": "CVE-2016-1983", "lastModified": "2026-06-17T00:43:01.750", "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"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-01-27T20:59:04.297", "references": [{"source": "cve@mitre.org", "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303"}, {"source": "cve@mitre.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"}, {"source": "cve@mitre.org", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3460"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"}, {"source": "cve@mitre.org", "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.privoxy.org/announce.txt"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3460"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/01/21/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2016/01/22/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.privoxy.org/announce.txt"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "privoxy: invalid read via empty host header in client request", "id": "1300972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1300972"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-125", "details": ["The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header."], "name": "CVE-2016-1983", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "privoxy", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-01-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1983\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1983\nhttp://seclists.org/oss-sec/2016/q1/173"], "threat_severity": "Moderate"}

{}