Security

Integer Overflow

An integer overflow is a bug where arithmetic produces a value too large for its integer type, so the number wraps to a small or negative value. When that value sizes a buffer or checks a bound, it can lead to memory corruption (CWE-190).

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What Is an Integer Overflow Vulnerability?

An integer overflow vulnerability wraps a size calculation to a tiny number, so code writes past its buffer. Here is how that becomes code execution.

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