{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120139", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-30T22:45:08.382Z", "datePublished": "2026-11-12T14:15:20.956Z", "dateUpdated": "2026-11-12T21:44:42.972Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-11-12T14:15:20.956Z"}, "title": "PostgreSQL tuple-size integer wraparound executes arbitrary code", "x_postgresql": {"component": "core server"}, "descriptions": [{"lang": "en", "value": "Integer wraparound in PostgreSQL in-memory tuple-size calculations allows a database user to execute arbitrary code as the operating system user running the database, via oversized tuple data. Versions before PostgreSQL 18.7, 17.12, 16.16, 15.20, and 14.25 are affected."}], "affected": [{"defaultStatus": "unaffected", "product": "PostgreSQL", "vendor": "n/a", "versions": [{"lessThan": "18.7", "status": "affected", "version": "18", "versionType": "rpm"}, {"lessThan": "17.12", "status": "affected", "version": "17", "versionType": "rpm"}, {"lessThan": "16.16", "status": "affected", "version": "16", "versionType": "rpm"}, {"lessThan": "15.20", "status": "affected", "version": "15", "versionType": "rpm"}, {"lessThan": "14.25", "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-2026-120139/"}], "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 Hillai Ben Sasson, Jayden Sarveshkumar, and Mehmet Ince for reporting this problem."}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-12T21:17:44.974636Z", "id": "CVE-2026-120139", "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": "2026-11-12T21:44:42.972Z"}}]}}

{}

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{"bugzilla": {"description": "postgresql: postgresql: Arbitrary code execution via integer wraparound in tuple-size calculations", "id": "2572580", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2572580"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-190", "details": ["A flaw was found in PostgreSQL. An integer wraparound (an arithmetic calculation exceeding numerical limits) occurs during in-memory tuple-size calculations when handling oversized data. An authenticated database user can exploit this flaw to execute arbitrary code with the privileges of the operating system user running the database service."], "mitigation": {"lang": "en:us", "value": "Restrict network exposure to the PostgreSQL service so that only trusted client hosts and authorized administrators can establish connections.\n1. Using firewalld, restrict incoming connections on PostgreSQL port 5432 to a trusted IP address or subnet:\n```\nfirewall-cmd --permanent --remove-service=postgresql\nfirewall-cmd --permanent --zone=trusted --add-source=<TRUSTED_IP_RANGE>\nfirewall-cmd --reload\n```\n2. Alternatively, configure PostgreSQL to bind only to local interfaces by modifying `listen_addresses` in `/var/lib/pgsql/data/postgresql.conf`:\n```\nlisten_addresses = 'localhost'\n```\nApply the configuration change by restarting the service:\n```\nsystemctl restart postgresql\n```\nCaveats:\nRestricting network connectivity or interface binding prevents remote clients and applications outside the allowed subnet from connecting to the database.\nWarning:\nRestarting or reloading the PostgreSQL service terminates active client connections and temporarily interrupts database availability."}, "name": "CVE-2026-120139", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "libpq", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "postgresql17", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "postgresql18", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-11-12T14:15:20Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-120139\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-120139\nhttps://www.postgresql.org/support/security/CVE-2026-120139/"], "statement": "This vulnerability is rated as an Important impact by Red Hat Product Security because an authenticated database user can achieve arbitrary code execution within the context of the postgres system user, compromising host and database integrity. While standard deployments on Red Hat Enterprise Linux confine the database process using a dedicated service account and SELinux, exploitation fully exposes the database engine and any data accessible to it. Exploitation requires network reachability and valid database login credentials to submit queries containing crafted, oversized row records. Unauthenticated remote attackers cannot trigger this issue directly.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[18,18.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[17,17.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[16,16.16)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[15,15.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,14.25)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "PostgreSQL", "source": "cna", "vendor": "n/a"}, "product": "postgresql", "vendor": "postgresql"}], "created": "2026-11-12T23:30:10.626438+00:00", "updated": "2026-11-12T23:30:10.626453+00:00", "vendors": ["postgresql", "postgresql$PRODUCT$postgresql"]}