CVE-2021-45833

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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:hdfgroup:hdf5:1.13.1-1:*:*:*:*:*:*:*", "matchCriteriaId": "3E27D5C4-8DAF-4738-9B3A-9C3E0E867F5E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A Stack-based Buffer Overflow Vulnerability exists in HDF5 1.13.1-1 via the H5D__create_chunk_file_map_hyper function in /hdf5/src/H5Dchunk.c, which causes a Denial of Service (context-dependent)."}, {"lang": "es", "value": "Se presenta una vulnerabilidad de Desbordamiento del B\u00fafer en la regi\u00f3n Stack de la memoria en HDF5 versi\u00f3n 1.13.1-1, por medio de la funci\u00f3n H5D__create_chunk_file_map_hyper en el archivo /hdf5/src/H5Dchunk.c, que causa una Denegaci\u00f3n de Servicio (dependiente del contexto)."}], "id": "CVE-2021-45833", "lastModified": "2026-06-17T04:14:07.973", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-05T21:15:07.833", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/HDFGroup/hdf5/issues/1313"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/HDFGroup/hdf5/issues/1313"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "hdf5: stack buffer overflow in the H5D__create_chunk_file_map_hyper function", "id": "2049109", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2049109"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A Stack-based Buffer Overflow Vulnerability exists in HDF5 1.13.1-1 via the H5D__create_chunk_file_map_hyper function in /hdf5/src/H5Dchunk.c, which causes a Denial of Service (context-dependent)."], "name": "CVE-2021-45833", "package_state": [{"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Out of support scope", "package_name": "hdf5", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:openstack:16.1", "fix_state": "Fix deferred", "package_name": "hdf5", "product_name": "Red Hat OpenStack Platform 16.1"}], "public_date": "2022-01-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-45833\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-45833"], "threat_severity": "Low"}

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