{"api_version":"1","generated_at":"2026-10-12T22:05:03+00:00","cve":"CVE-2026-109448","urls":{"html":"https://cve.report/CVE-2026-109448","api":"https://cve.report/api/cve/CVE-2026-109448.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-109448","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109448"},"summary":{"title":"psqlODBC SQLBindParameter heap memory corruption when binding more than 32767 parameters","description":"Integer wraparound in psqlODBC SQLBindParameter allows an application, or an attacker who controls how many parameters the application binds on one statement, to corrupt heap memory. psqlODBC stores the binding count in a signed 16-bit field. Binding parameter number 32768 wraps that count to -32768. Binding parameter 32769 then writes about 2.5 MB of zeros starting 1.25 MB before the binding array, which crashes the application or leaves it running on a corrupted heap. Applications that build parameter lists from untrusted input, such as an IN (?, ?, ...) list, are exposed. Versions before psqlODBC 18.00.0005 are affected.","state":"PUBLISHED","assigner":"PostgreSQL","published_at":"2026-10-12 18:17:22","updated_at":"2026-10-12 18:17:22"},"problem_types":["CWE-124","CWE-190","CWE-190 CWE-190 Integer Overflow or Wraparound","CWE-124 CWE-124 Buffer Underwrite ('Buffer Underflow')"],"metrics":[{"version":"3.1","source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","score":"5.9","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"5.9","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-cmfx-rm3r-p2jr","name":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-cmfx-rm3r-p2jr","refsource":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-109448","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-109448","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"PostgreSQL","product":"psqlODBC","version":"affected 08.01.0102 18.00.0005 custom","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to psqlODBC 18.00.0005 or later. SQLBindParameter now rejects parameter numbers outside 1..32767 with SQLSTATE 07009 (invalid descriptor index).","time":"","lang":"en"}],"workarounds":[{"source":"CNA","title":"","value":"Do not bind more than 32767 parameters on a single statement. Limit the number of parameters an application builds from external input, or pass large value lists as a single array parameter, for example = ANY(?).","time":"","lang":"en"}],"exploits":[],"credits":[{"source":"CNA","value":"vltr Richard Kuesters","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"psqlODBC","programFiles":["bind.c"],"programRoutines":[{"name":"SQLBindParameter"}],"repo":"https://github.com/postgresql-interfaces/psqlodbc","vendor":"PostgreSQL","versions":[{"lessThan":"18.00.0005","status":"affected","version":"08.01.0102","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","value":"vltr Richard Kuesters"}],"descriptions":[{"lang":"en","value":"Integer wraparound in psqlODBC SQLBindParameter allows an application, or an attacker who controls how many parameters the application binds on one statement, to corrupt heap memory. psqlODBC stores the binding count in a signed 16-bit field. Binding parameter number 32768 wraps that count to -32768. Binding parameter 32769 then writes about 2.5 MB of zeros starting 1.25 MB before the binding array, which crashes the application or leaves it running on a corrupted heap. Applications that build parameter lists from untrusted input, such as an IN (?, ?, ...) list, are exposed. Versions before psqlODBC 18.00.0005 are affected."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","description":"CWE-190 Integer Overflow or Wraparound","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-124","description":"CWE-124 Buffer Underwrite ('Buffer Underflow')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-10-12T17:42:59.581Z","orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL"},"references":[{"tags":["vendor-advisory"],"url":"https://github.com/postgresql-interfaces/psqlodbc/security/advisories/GHSA-cmfx-rm3r-p2jr"}],"solutions":[{"lang":"en","value":"Upgrade to psqlODBC 18.00.0005 or later. SQLBindParameter now rejects parameter numbers outside 1..32767 with SQLSTATE 07009 (invalid descriptor index)."}],"title":"psqlODBC SQLBindParameter heap memory corruption when binding more than 32767 parameters","workarounds":[{"lang":"en","value":"Do not bind more than 32767 parameters on a single statement. Limit the number of parameters an application builds from external input, or pass large value lists as a single array parameter, for example = ANY(?)."}]}},"cveMetadata":{"assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","assignerShortName":"PostgreSQL","cveId":"CVE-2026-109448","datePublished":"2026-10-12T17:42:59.581Z","dateReserved":"2026-10-12T16:34:39.636Z","dateUpdated":"2026-10-12T17:42:59.581Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-12 18:17:22","lastModifiedDate":"2026-10-12 18:17:22","problem_types":["CWE-124","CWE-190","CWE-190 CWE-190 Integer Overflow or Wraparound","CWE-124 CWE-124 Buffer Underwrite ('Buffer Underflow')"],"metrics":{"cvssMetricV31":[{"source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"109448","Ordinal":"1","Title":"psqlODBC SQLBindParameter heap memory corruption when binding mo","CVE":"CVE-2026-109448","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"109448","Ordinal":"1","NoteData":"Integer wraparound in psqlODBC SQLBindParameter allows an application, or an attacker who controls how many parameters the application binds on one statement, to corrupt heap memory. psqlODBC stores the binding count in a signed 16-bit field. Binding parameter number 32768 wraps that count to -32768. Binding parameter 32769 then writes about 2.5 MB of zeros starting 1.25 MB before the binding array, which crashes the application or leaves it running on a corrupted heap. Applications that build parameter lists from untrusted input, such as an IN (?, ?, ...) list, are exposed. Versions before psqlODBC 18.00.0005 are affected.","Type":"Description","Title":"psqlODBC SQLBindParameter heap memory corruption when binding mo"}]}}}