CVE-2025-47712

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-47712", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2025-05-07T21:08:45.449Z", "datePublished": "2025-06-09T05:58:41.198Z", "dateUpdated": "2026-11-05T15:49:54.806Z"}, "containers": {"cna": {"title": "Nbd: nbdkit: integer overflow triggers an assertion resulting in denial of service", "metrics": [{"other": {"content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service."}], "affected": [{"versions": [{"status": "affected", "version": "1.21.16", "lessThan": "1.38.6", "versionType": "semver"}, {"status": "affected", "version": "1.40.0", "lessThan": "1.40.6", "versionType": "semver"}, {"status": "affected", "version": "1.42.0", "lessThan": "1.42.3", "versionType": "semver"}], "packageName": "nbdkit", "collectionURL": "https://nbdkit.org/", "defaultStatus": "unaffected"}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "nbdkit", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:enterprise_linux:10"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "nbdkit", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:rhel_els:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt:rhel/nbdkit", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt:8.2/nbdkit", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "virt:av/nbdkit", "defaultStatus": "unknown", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "nbdkit", "defaultStatus": "affected", "cpes": ["cpe:/a:redhat:enterprise_linux:9"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-47712", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365724", "name": "RHBZ#2365724", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/"}], "datePublic": "2025-04-23T00:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-190", "description": "Integer Overflow or Wraparound", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound", "timeline": [{"lang": "en", "time": "2025-05-12T20:59:53.759Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2025-04-23T00:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-05T15:49:54.806Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-06-09T18:23:40.258686Z", "id": "CVE-2025-47712", "options": [{"Exploitation": "none"}, {"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": "2025-06-09T18:24:05.328Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2025-47712", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-06-09T18:23:40.258686Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-06-09T18:23:53.127Z"}}], "cna": {"title": "Nbd: nbdkit: integer overflow triggers an assertion resulting in denial of service", "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Moderate", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}], "affected": [{"versions": [{"status": "affected", "version": "1.21.16", "lessThan": "1.38.6", "versionType": "semver"}, {"status": "affected", "version": "1.40.0", "lessThan": "1.40.6", "versionType": "semver"}, {"status": "affected", "version": "1.42.0", "lessThan": "1.42.3", "versionType": "semver"}], "packageName": "nbdkit", "collectionURL": "https://nbdkit.org/", "defaultStatus": "unaffected"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:10"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "packageName": "nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/o:redhat:rhel_els:7"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "packageName": "nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "packageName": "virt:rhel/nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "packageName": "virt:8.2/nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "packageName": "virt:av/nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unknown"}, {"cpes": ["cpe:/a:redhat:enterprise_linux:9"], "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "packageName": "nbdkit", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}], "timeline": [{"lang": "en", "time": "2025-05-12T20:59:53.759Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2025-04-23T00:00:00.000Z", "value": "Made public."}], "datePublic": "2025-04-23T00:00:00.000Z", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2025-47712", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365724", "name": "RHBZ#2365724", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/"}], "x_generator": {"engine": "cvelib 1.8.0"}, "descriptions": [{"lang": "en", "value": "A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-11-05T15:49:54.806Z"}, "x_redhatCweChain": "CWE-190: Integer Overflow or Wraparound"}}, "cveMetadata": {"cveId": "CVE-2025-47712", "state": "PUBLISHED", "dateUpdated": "2026-11-05T15:49:54.806Z", "dateReserved": "2025-05-07T21:08:45.449Z", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "datePublished": "2025-06-09T05:58:41.198Z", "assignerShortName": "redhat"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://nbdkit.org/", "defaultStatus": "unaffected", "packageName": "nbdkit", "versions": [{"lessThan": "1.38.6", "status": "affected", "version": "1.21.16", "versionType": "semver"}, {"lessThan": "1.40.6", "status": "affected", "version": "1.40.0", "versionType": "semver"}, {"lessThan": "1.42.3", "status": "affected", "version": "1.42.0", "versionType": "semver"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:10"], "defaultStatus": "affected", "packageName": "nbdkit", "product": "Red Hat Enterprise Linux 10", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/o:redhat:rhel_els:7"], "defaultStatus": "unknown", "packageName": "nbdkit", "product": "Red Hat Enterprise Linux 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:8"], "defaultStatus": "unknown", "packageName": "virt:rhel/nbdkit", "product": "Red Hat Enterprise Linux 8", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"], "defaultStatus": "unknown", "packageName": "virt:8.2/nbdkit", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:advanced_virtualization:8::el8"], "defaultStatus": "unknown", "packageName": "virt:av/nbdkit", "product": "Red Hat Enterprise Linux 8 Advanced Virtualization", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:enterprise_linux:9"], "defaultStatus": "affected", "packageName": "nbdkit", "product": "Red Hat Enterprise Linux 9", "vendor": "Red Hat"}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nbdkit_project:nbdkit:-:*:*:*:*:*:*:*", "matchCriteriaId": "B5312E2C-4BD8-45EE-8D28-6ED75541E48B", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C", "vulnerable": false}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_advanced_virtualization:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "A4A47F8A-43BF-44A4-A465-14C7653BC11E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service."}, {"lang": "es", "value": "Existe una falla en el filtro \"blocksize\" de nbdkit que puede activarse con un tipo espec\u00edfico de solicitud de cliente. Cuando un cliente solicita informaci\u00f3n sobre el estado del bloque para un rango de datos muy grande, superando cierto l\u00edmite, se produce un error interno en nbdkit, lo que provoca una denegaci\u00f3n de servicio."}], "id": "CVE-2025-47712", "lastModified": "2026-11-05T16:17:17.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-47712", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-06-09T18:23:40.258686Z", "version": "2.0.3"}}]}, "published": "2025-06-09T06:15:25.537", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2025-47712"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Third Party Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365724"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/67E7AASHHADIY7VAD3FFW2I67LTWVWYF/"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"bugzilla": {"description": "nbd: nbdkit: Integer overflow triggers an assertion resulting in Denial of Service", "id": "2365724", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365724"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service.", "A flaw exists in the nbdkit \"blocksize\" filter that can be triggered by a specific type of client request. When a client requests block status information for a very large data range, exceeding a certain limit, it causes an internal error in the nbdkit, leading to a denial of service."], "name": "CVE-2025-47712", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "nbdkit", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "nbdkit", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "virt:rhel/nbdkit", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Out of support scope", "package_name": "virt:8.2/nbdkit", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/a:redhat:advanced_virtualization:8::el8", "fix_state": "Out of support scope", "package_name": "virt:av/nbdkit", "product_name": "Red Hat Enterprise Linux 8 Advanced Virtualization"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "nbdkit", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-47712\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-47712"], "statement": "This flaw was rated as having a Moderate severity by Red Hat Product Security team. While it can be triggered remotely (AV:N) with relative ease (AC:L), it requires the attacker to have valid credentials to the target (PR:L). Importantly, successful exploitation only leads to a temporary loss of service availability (A:L) and does not compromise data confidentiality (C:N) or integrity (I:N).", "threat_severity": "Moderate"}

{}