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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected."}, {"lang": "es", "value": "La sobrelectura del b\u00fafer en la validaci\u00f3n de codificaci\u00f3n GB18030 de PostgreSQL permite que un proveedor de entrada de base de datos realice una denegaci\u00f3n de servicio temporal en plataformas donde una sobrelectura de 1 byte puede provocar la finalizaci\u00f3n del proceso. Esto afecta al servidor de base de datos y tambi\u00e9n a libpq. Las versiones anteriores a PostgreSQL 17.5, 16.9, 15.13, 14.18 y 13.21 se ven afectadas."}], "id": "CVE-2025-4207", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}, "published": "2025-05-08T15:15:48.577", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "url": "https://www.postgresql.org/support/security/CVE-2025-4207/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2025/05/09/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00011.html"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-126"}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}

{"bugzilla": {"description": "postgresql: PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation", "id": "2365111", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2365111"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-126", "details": ["Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.", "A flaw was found in PostgreSQL. A buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can lead to process termination."], "name": "CVE-2025-4207", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "libpq", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "postgresql16", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libpq", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "postgresql:12/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "postgresql:13/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "postgresql:15/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "postgresql:16/postgresql", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libpq", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "postgresql:15/postgresql", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "postgresql:16/postgresql", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-08T14:22:45Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-4207\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-4207\nhttps://www.postgresql.org/support/security/CVE-2025-4207/"], "statement": "Within regulated environments, a combination of the following controls acts as a significant barrier to successfully exploiting a CWE-126: Buffer Over-read vulnerability and therefore downgrades the severity of this particular CVE from Moderate to Low.\nMemory access boundaries are enforced through secure coding practices, including bounds checking and automated detection of over-read conditions during development. Static analysis and peer reviews catch improper memory handling early, reducing the risk of vulnerabilities reaching production. Memory protection mechanisms restrict access to allocated regions at runtime, and process isolation contains memory faults within the affected workload. Additionally, a defense-in-depth monitoring strategy supports real-time detection of anomalous memory activity, enabling rapid response and limiting potential impact.", "threat_severity": "Moderate"}

{"created": "2025-06-24T09:44:17.069836+00:00", "updated": "2025-06-24T09:44:17.069912+00:00", "vendors": ["postgresql", "postgresql$PRODUCT$postgresql"]}