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The result of the / operator is the quotient from the division of the first arithmetic operand by the second arithmetic operand. Division operations are susceptible to divide-by-zero errors. Overflow can also occur during two's complement signed integer division when the dividend is equal to the minimum (negative) value for the signed integer type and the divisor is equal to —1. (See guideline rule INT32-C. Ensure that operations on signed integers do not result in overflow.)
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Search for vulnerabilities resulting from the violation of this rule on the CERT website.
Related Guidelines
CERT C++ Secure Coding Standard: INT33-CPP. Ensure that division and modulo operations do not result in divide-by-zero errors
Bibliography
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\[[ISO/IEC 9899:1999|AA. Bibliography#ISO/IEC 9899-1999]\] Section 6.5.5, "Multiplicative operators"
MITRE CWE: CWE-369, "Divide By Zero"
Bibliography
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\[[MITRE 2007|AA. Bibliography#MITRE 07]\] [CWE ID 369|http://cwe.mitre.org/data/definitions/369.html], "Divide By Zero"
\[[Seacord 2005|AA. Bibliography#Seacord 05]\] Chapter 5, "Integers"
\[[Warren 2002|AA. Bibliography#Warren 02]\] Chapter 2, "Basics" |
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