{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120058", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-30T19:25:18.919Z", "datePublished": "2026-11-02T19:09:09.747Z", "dateUpdated": "2026-11-02T19:33:49.913Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-11-02T19:09:09.747Z"}, "title": "psqlODBC row cache overflow when a later FETCH changes the column count", "datePublic": "2026-11-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "psqlODBC sizes its row cache from the column count of a cursor's first result, but recomputes the column count from each later FETCH reply without checking that it matches. A server not trusted under current SSL settings can answer a later FETCH with more columns and make the driver write tuple records past the end of the heap allocation. A keyset reply with fewer columns than the key fields also underflows the unsigned field count. This is reachable with UseDeclareFetch enabled. Versions before psqlODBC 18.00.0006 are affected."}], "affected": [{"vendor": "PostgreSQL", "product": "psqlODBC", "repo": "https://github.com/postgresql-interfaces/psqlodbc", "programFiles": ["qresult.c"], "programRoutines": [{"name": "QR_from_PGresult"}], "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "18.00.0006", "status": "affected", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-191", "description": "CWE-191 Integer Underflow (Wrap or Wraparound)"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}}], "workarounds": [{"lang": "en", "value": "Set UseDeclareFetch=0, or connect only to servers authenticated with sslmode=verify-full or an equivalent GSS setting."}], "solutions": [{"lang": "en", "value": "Upgrade to psqlODBC 18.00.0006 or later. The driver rejects a column count that changes between fetches of the same cursor, and a keyset reply with fewer columns than the key fields."}], "references": [{"url": "https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-6rmx-9q62-4w6m", "tags": ["vendor-advisory"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T19:33:38.487446Z", "id": "CVE-2026-120058", "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": "2026-11-02T19:33:49.913Z"}}]}}

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