{"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"}}]}}