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Search for vulnerabilities resulting from the violation of this rule on the CERT website.

Related Guidelines

CERT C Secure Coding StandardSTR34-C. Cast characters to unsigned char before converting to larger integer sizes
ISO/IEC TS 17961Passing arguments to character-handling functions that are not representable as unsigned char [chrsgnext]
MITRE CWECWE-704, Incorrect Type Conversion or Cast
CWE-686, Function Call with Incorrect Argument Type

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