{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6473", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-04-17T00:27:22.802Z", "datePublished": "2026-05-14T13:00:09.446Z", "dateUpdated": "2026-05-14T13:40:17.936Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-05-14T13:00:09.446Z"}, "title": "PostgreSQL server undersizes allocations, via integer wraparound", "descriptions": [{"lang": "en", "value": "Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected."}], "affected": [{"defaultStatus": "unaffected", "product": "PostgreSQL", "vendor": "n/a", "versions": [{"lessThan": "18.4", "status": "affected", "version": "18", "versionType": "rpm"}, {"lessThan": "17.10", "status": "affected", "version": "17", "versionType": "rpm"}, {"lessThan": "16.14", "status": "affected", "version": "16", "versionType": "rpm"}, {"lessThan": "15.18", "status": "affected", "version": "15", "versionType": "rpm"}, {"lessThan": "14.23", "status": "affected", "version": "0", "versionType": "rpm"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-190", "type": "CWE", "description": "Integer Overflow or Wraparound"}]}], "references": [{"url": "https://www.postgresql.org/support/security/CVE-2026-6473/"}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "credits": [{"lang": "en", "value": "The PostgreSQL project thanks Anemone, A1ex, Xint Code, Jihe Wang, Jingzhou Fu, Pavel Kohout, Petr Simecek, www.aisle.com, Bruce Dang of Calif.io, and Sven Klemm for reporting this problem."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-14T13:40:10.614768Z", "id": "CVE-2026-6473", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T13:40:17.936Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-6473", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-14T13:40:10.614768Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-14T13:40:13.777Z"}}], "cna": {"title": "PostgreSQL server undersizes allocations, via integer wraparound", "credits": [{"lang": "en", "value": "The PostgreSQL project thanks Anemone, A1ex, Xint Code, Jihe Wang, Jingzhou Fu, Pavel Kohout, Petr Simecek, www.aisle.com, Bruce Dang of Calif.io, and Sven Klemm for reporting this problem."}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "affected": [{"vendor": "n/a", "product": "PostgreSQL", "versions": [{"status": "affected", "version": "18", "lessThan": "18.4", "versionType": "rpm"}, {"status": "affected", "version": "17", "lessThan": "17.10", "versionType": "rpm"}, {"status": "affected", "version": "16", "lessThan": "16.14", "versionType": "rpm"}, {"status": "affected", "version": "15", "lessThan": "15.18", "versionType": "rpm"}, {"status": "affected", "version": "0", "lessThan": "14.23", "versionType": "rpm"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://www.postgresql.org/support/security/CVE-2026-6473/"}], "descriptions": [{"lang": "en", "value": "Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-190", "description": "Integer Overflow or Wraparound"}]}], "providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-05-14T13:00:09.446Z"}}}, "cveMetadata": {"cveId": "CVE-2026-6473", "state": "PUBLISHED", "dateUpdated": "2026-05-14T13:40:17.936Z", "dateReserved": "2026-04-17T00:27:22.802Z", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "datePublished": "2026-05-14T13:00:09.446Z", "assignerShortName": "PostgreSQL"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Integer wraparound in multiple PostgreSQL server features allows an unprivileged database user to cause the server to undersize an allocation and write out-of-bounds. This may execute arbitrary code as the operating system user running the database. In applications that pass gigabyte-scale user inputs to the relevant database functions, the application input provider may achieve a segmentation fault. Versions before PostgreSQL 18.4, 17.10, 16.14, 15.18, and 14.23 are affected."}], "id": "CVE-2026-6473", "lastModified": "2026-05-14T16:21:23.190", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}, "published": "2026-05-14T14:16:24.883", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "url": "https://www.postgresql.org/support/security/CVE-2026-6473/"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}

{}