This kind of malicious code causes issues of buffer overflow in network security and places executable code in memory regions adjacent to the overflow. This results in excess or lost data, and writes to the adjacent memory-overwriting whatever was stored there before, and triggering unpredictable effects.Ī buffer overflow bug leaves a system vulnerable to attackers who can exploit it by injecting specifically tailored code. A lack of proper validation causes this software vulnerability or bug, allowing data to be written out of bounds. When a system writes more data to a buffer than it can hold, a buffer overflow or buffer overrun occurs. << Back to Technical Glossary Buffer Overflow Definition Glossary Get familar with related technical terms.
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