{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119279", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-29T18:50:28.064Z", "datePublished": "2026-10-29T20:52:22.903Z", "dateUpdated": "2026-10-29T20:52:22.903Z"}, "containers": {"cna": {"title": "MariaDB Connector/J: Length-encoded integers larger than Integer.MAX_VALUE were truncated before being used as lengths", "problemTypes": [{"descriptions": [{"cweId": "CWE-130", "lang": "en", "description": "CWE-130: Improper Handling of Length Parameter Inconsistency", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-190", "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound", "type": "CWE"}]}], "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"}}], "references": [{"name": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-797x-p4mc-jwpm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-797x-p4mc-jwpm"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/30d4a883377a9b7762e02ee2c60d54567032ab99", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/30d4a883377a9b7762e02ee2c60d54567032ab99"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/bfd9f5ad666a6f7f5401a5b78f2ac2fbd6df8667", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/bfd9f5ad666a6f7f5401a5b78f2ac2fbd6df8667"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/dbbadc3e215c47bdb913ddf50739ada09a7f23ea", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/dbbadc3e215c47bdb913ddf50739ada09a7f23ea"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5"}, {"name": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.10", "tags": ["x_refsource_MISC"], "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.10"}], "affected": [{"vendor": "mariadb-corporation", "product": "mariadb-connector-j", "versions": [{"version": ">= 3.0.0, < 3.3.7", "status": "affected"}, {"version": ">= 3.4.0, < 3.4.5", "status": "affected"}, {"version": ">= 3.5.0, < 3.5.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-29T20:52:22.903Z"}, "descriptions": [{"lang": "en", "value": "MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.10, the ReadableByteBuf.readLength() and ReadableByteBuf.readIntLengthEncodedNotNull() methods narrowed the protocol's unsigned 8-byte length-encoded integer to a Java int without checking that the value fit a non-negative integer. Values above Integer.MAX_VALUE could wrap to a negative or unrelated length that downstream allocation and read paths used. A malicious or compromised server, or a machine-in-the-middle attacker, could trigger NegativeArraySizeException, out-of-bounds failures, or oversized allocation behavior in client connection handling. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.10."}], "source": {"advisory": "GHSA-797x-p4mc-jwpm", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "mariadb-connector-j", "vendor": "mariadb-corporation", "versions": [{"status": "affected", "version": ">= 3.0.0, < 3.3.7"}, {"status": "affected", "version": ">= 3.4.0, < 3.4.5"}, {"status": "affected", "version": ">= 3.5.0, < 3.5.10"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MariaDB Connector/J is used to connect applications developed in Java to MariaDB and MySQL databases. From 3.0.0 until 3.3.7, 3.4.5, and 3.5.10, the ReadableByteBuf.readLength() and ReadableByteBuf.readIntLengthEncodedNotNull() methods narrowed the protocol's unsigned 8-byte length-encoded integer to a Java int without checking that the value fit a non-negative integer. Values above Integer.MAX_VALUE could wrap to a negative or unrelated length that downstream allocation and read paths used. A malicious or compromised server, or a machine-in-the-middle attacker, could trigger NegativeArraySizeException, out-of-bounds failures, or oversized allocation behavior in client connection handling. This issue is fixed in versions 3.3.7, 3.4.5, and 3.5.10."}], "id": "CVE-2026-119279", "lastModified": "2026-10-30T17:18:03.880", "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": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-29T21:17:21.387", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/30d4a883377a9b7762e02ee2c60d54567032ab99"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/bfd9f5ad666a6f7f5401a5b78f2ac2fbd6df8667"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/commit/dbbadc3e215c47bdb913ddf50739ada09a7f23ea"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.3.7"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.4.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/releases/tag/3.5.10"}, {"source": "security-advisories@github.com", "url": "https://github.com/mariadb-corporation/mariadb-connector-j/security/advisories/GHSA-797x-p4mc-jwpm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-130"}, {"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

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