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The problem relies on an uncaught exception in the `net` module, where the result of the query will be converted to JSON before showing as the HTTP response to the user in the **/sql** endpoint.\n\n### Impact\nThis vulnerability allows any authenticated user to crash a SurrealDB instance by sending a crafted query with a null byte to the /sql endpoint. \n\nWhere SurrealDB is used as an application backend, it is possible that an application user can crash the SurrealDB instance and thus the supported application through crafted inputs that exploit this attack vector.\n\n\n### Patches\nA patch has been introduced that ensures the error is caught and converted as an error.\n- Versions 2.2.2, 2.1.5 and 2.0.5 and later are not affected by this isssue\n\n### Workarounds\n\nAffected users who are unable to update may want to limit the ability of untrusted clients to run arbitrary queries in the affected versions of SurrealDB. 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