CVE-2016-9296

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-11-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2016-12-26T01:57:02.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "94294", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/94294"}, {"tags": ["x_refsource_MISC"], "url": "https://sourceforge.net/p/p7zip/bugs/185/"}, {"tags": ["x_refsource_MISC"], "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/yangke/7zip-null-pointer-dereference"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-9296", "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": "A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "94294", "refsource": "BID", "url": "http://www.securityfocus.com/bid/94294"}, {"name": "https://sourceforge.net/p/p7zip/bugs/185/", "refsource": "MISC", "url": "https://sourceforge.net/p/p7zip/bugs/185/"}, {"name": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/", "refsource": "MISC", "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"}, {"name": "https://github.com/yangke/7zip-null-pointer-dereference", "refsource": "MISC", "url": "https://github.com/yangke/7zip-null-pointer-dereference"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T02:42:11.265Z"}, "title": "CVE Program Container", "references": [{"name": "94294", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/94294"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sourceforge.net/p/p7zip/bugs/185/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/yangke/7zip-null-pointer-dereference"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-9296", "datePublished": "2016-11-12T02:19:00.000Z", "dateReserved": "2016-11-11T00:00:00.000Z", "dateUpdated": "2024-08-06T02:42:11.265Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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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:7-zip:p7zip:16.02:*:*:*:*:*:*:*", "matchCriteriaId": "F7E9F309-B22D-4FB7-9EDB-20DF07965E1E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files."}, {"lang": "es", "value": "Un error de referencia al puntero NULL afecta a la versi\u00f3n 16.02 y muchas versiones anteriores de p7zip. Una falta de comprobaci\u00f3n de puntero null para los archivadores variables. PackPositions en la funci\u00f3n CInArchive::ReadAndDecodePackedStreams en CPP/7zip/Archive/7z/7zIn.cpp, como es usada en la biblioteca 7z.so y en aplicaciones 7z, causar\u00e1 una ca\u00edda y denegaci\u00f3n de servicio al decodificar archivos 7z mal formados."}], "id": "CVE-2016-9296", "lastModified": "2026-06-17T00:55:47.830", "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}], "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": "2016-11-12T02:59:04.650", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94294"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/yangke/7zip-null-pointer-dereference"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://sourceforge.net/p/p7zip/bugs/185/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94294"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "url": "https://github.com/yangke/7zip-null-pointer-dereference"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://sourceforge.net/p/p7zip/bugs/185/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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