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CVE-2026-81532 is an out-of-bounds write vulnerability in the MongoDB Connector for BI ODBC driver. When processing a positioned-cursor SQL statement, the driver builds a diagnostic message using the supplied cursor name without first bounding that name to the size of an internal fixed-length buffer. An overlong cursor name can overwrite adjacent memory with attacker-controlled data. MongoDB Connector for BI ODBC driver version 1.4.10 remediates the issue by truncating cursor names to fit the buffer.
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6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A buffer-overflow vulnerability in the MongoDB Connector for BI ODBC driver. An attacker able to submit SQL through an application can use an overlong positioned-cursor name to overwrite adjacent memory during diagnostic-message construction, potentially crashing the host application or executing unintended code within its process.
A high-severity improper-bounds-checking memory-corruption vulnerability in the MongoDB Connector for BI ODBC driver. An attacker able to submit SQL through an application can use an overly long positioned-cursor name to overflow an internal fixed-length buffer, potentially crashing the host process or executing unintended code in that process.
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Every observed campaign linking this CVE to a named adversary.
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Cross-references every affected SKU, including bundled OEM variants.
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