{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-6516", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2025-06-23T12:18:36.816Z", "datePublished": "2025-06-23T17:00:17.189Z", "dateUpdated": "2025-06-23T17:40:18.086Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-06-23T17:00:17.189Z"}, "title": "HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-122", "lang": "en", "description": "Heap-based Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "n/a", "product": "HDF5", "versions": [{"version": "1.14.0", "status": "affected"}, {"version": "1.14.1", "status": "affected"}, {"version": "1.14.2", "status": "affected"}, {"version": "1.14.3", "status": "affected"}, {"version": "1.14.4", "status": "affected"}, {"version": "1.14.5", "status": "affected"}, {"version": "1.14.6", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used."}, {"lang": "de", "value": "In HDF5 bis 1.14.6 wurde eine kritische Schwachstelle gefunden. Das betrifft die Funktion H5F_addr_decode_len der Datei /hdf5/src/H5Fint.c. Durch Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs hat dabei lokal zu erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2025-06-23T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2025-06-23T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2025-06-23T14:23:40.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Rulkallos (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.313636", "name": "VDB-313636 | HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.313636", "name": "VDB-313636 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.592589", "name": "Submit #592589 | HDF5 1.14.6 Heap-based Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/HDFGroup/hdf5/issues/5581", "tags": ["issue-tracking"]}, {"url": "https://github.com/user-attachments/files/20626851/reproduce.tar.gz", "tags": ["exploit"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-23T17:39:48.061949Z", "id": "CVE-2025-6516", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-23T17:40:18.086Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-6516", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-06-23T17:39:48.061949Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-23T17:40:13.350Z"}}], "cna": {"title": "HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow", "credits": [{"lang": "en", "type": "reporter", "value": "Rulkallos (VulDB User)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 4.8, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 4.3, "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"vendor": "n/a", "product": "HDF5", "versions": [{"status": "affected", "version": "1.14.0"}, {"status": "affected", "version": "1.14.1"}, {"status": "affected", "version": "1.14.2"}, {"status": "affected", "version": "1.14.3"}, {"status": "affected", "version": "1.14.4"}, {"status": "affected", "version": "1.14.5"}, {"status": "affected", "version": "1.14.6"}]}], "timeline": [{"lang": "en", "time": "2025-06-23T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2025-06-23T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2025-06-23T14:23:40.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/?id.313636", "name": "VDB-313636 | HDF5 H5Fint.c H5F_addr_decode_len heap-based overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.313636", "name": "VDB-313636 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.592589", "name": "Submit #592589 | HDF5 1.14.6 Heap-based Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/HDFGroup/hdf5/issues/5581", "tags": ["issue-tracking"]}, {"url": "https://github.com/user-attachments/files/20626851/reproduce.tar.gz", "tags": ["exploit"]}], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used."}, {"lang": "de", "value": "In HDF5 bis 1.14.6 wurde eine kritische Schwachstelle gefunden. Das betrifft die Funktion H5F_addr_decode_len der Datei /hdf5/src/H5Fint.c. Durch Manipulation mit unbekannten Daten kann eine heap-based buffer overflow-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs hat dabei lokal zu erfolgen. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-122", "description": "Heap-based Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "Memory Corruption"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2025-06-23T17:00:17.189Z"}}}, "cveMetadata": {"cveId": "CVE-2025-6516", "state": "PUBLISHED", "dateUpdated": "2025-06-23T17:40:18.086Z", "dateReserved": "2025-06-23T12:18:36.816Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2025-06-23T17:00:17.189Z", "assignerShortName": "VulDB"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hdfgroup:hdf5:*:*:*:*:*:*:*:*", "matchCriteriaId": "F9158517-069A-4BE6-98F2-EBFDE3437236", "versionEndIncluding": "1.14.6", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used."}, {"lang": "es", "value": "Se ha detectado una vulnerabilidad en HDF5 hasta la versi\u00f3n 1.14.6, clasificada como cr\u00edtica. Esta vulnerabilidad afecta a la funci\u00f3n H5F_addr_decode_len del archivo /hdf5/src/H5Fint.c. La manipulaci\u00f3n provoca un desbordamiento del b\u00fafer en el mont\u00f3n. Un ataque debe abordarse localmente. Se ha hecho p\u00fablico el exploit y puede que sea utilizado."}], "id": "CVE-2025-6516", "lastModified": "2025-06-26T12:25:51.530", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2025-06-23T17:15:32.550", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "url": "https://github.com/HDFGroup/hdf5/issues/5581"}, {"source": "cna@vuldb.com", "tags": ["Exploit"], "url": "https://github.com/user-attachments/files/20626851/reproduce.tar.gz"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.313636"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.313636"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.592589"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-122"}], "source": "cna@vuldb.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "hdf5: HDF5 heap-based overflow", "id": "2374364", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2374364"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "(CWE-119|CWE-122)", "details": ["A vulnerability has been found in HDF5 up to 1.14.6 and classified as critical. This vulnerability affects the function H5F_addr_decode_len of the file /hdf5/src/H5Fint.c. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.", "A heap-based buffer overflow was found in HDF5. This flaw exists in the H5F_addr_decode_len function of the /hdf5/src/H5Fint.c file and may be triggered by input manipulation to the function. Local access is required to exploit this flaw."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-6516", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux_ai:1", "fix_state": "Fix deferred", "package_name": "hdf5", "product_name": "Red Hat Enterprise Linux AI (RHEL AI)"}], "public_date": "2025-06-23T17:00:17Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-6516\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-6516\nhttps://github.com/HDFGroup/hdf5/issues/5581\nhttps://github.com/user-attachments/files/20626851/reproduce.tar.gz\nhttps://vuldb.com/?ctiid.313636\nhttps://vuldb.com/?id.313636\nhttps://vuldb.com/?submit.592589"], "threat_severity": "Moderate"}