CVE-2020-36400

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-01T02:50:56.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-36400", "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": "ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042", "refsource": "MISC", "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042"}, {"name": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml", "refsource": "MISC", "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml"}, {"name": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306", "refsource": "MISC", "url": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:23:10.558Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-36400", "datePublished": "2021-07-01T02:50:56.000Z", "dateReserved": "2021-07-01T00:00:00.000Z", "dateUpdated": "2024-08-04T17:23:10.558Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:zeromq:libzmq:4.3.3:*:*:*:*:*:*:*", "matchCriteriaId": "53020E32-FDED-4AC0-83D1-2647046FFC9B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235."}, {"lang": "es", "value": "ZeroMQ libzmq versi\u00f3n 4.3.3, presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en la funci\u00f3n zmq::tcp_read, una vulnerabilidad diferente a CVE-2021-20235"}], "id": "CVE-2020-36400", "lastModified": "2026-06-17T03:15:24.730", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-07-01T03:15:07.787", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mailing List", "Patch", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml"}, {"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Mailing List", "Patch", "Third Party Advisory"], "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26042"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libzmq/OSV-2020-1887.yaml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/zeromq/libzmq/commit/397ac80850bf8d010fae23dd215db0ee2c677306"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "zeromq: heap-based buffer overflow in zmq::tcp_read", "id": "1980260", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1980260"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.6", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["ZeroMQ libzmq 4.3.3 has a heap-based buffer overflow in zmq::tcp_read, a different vulnerability than CVE-2021-20235.", "A flaw has been identified in zeromq. A heap-based buffer overflow is possible in zmq::tcp_read by resizing a fixed static allocator. The highest threat from this vulnerability is to system availability."], "name": "CVE-2020-36400", "package_state": [{"cpe": "cpe:/a:redhat:ceph_storage:2", "fix_state": "Not affected", "package_name": "zeromq3", "product_name": "Red Hat Ceph Storage 2"}], "public_date": "2021-07-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-36400\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-36400"], "statement": "Red Hat Enterprise Linux and Red Hat Ceph Storage are not affected by this flaw as they do not ship the vulnerable code.", "threat_severity": "Important"}

{}