Arbitrary code in Computer programming (often simply programming) is the craft of implementing one or more interrelated abstract algorithms using a particular programming language to produce a concrete computer program. Programming has elements of art, science, mathematics, and engineering. Programming languages Main article: programming language The program written in a particular programming language... computer programming is code that is not meant to be executed: code that is injected into a currently-running application and thus making the application execute the code.

The code is arbitrary. It steps in. This is known, more or less as Bytecode injection.

This type of injection normally occurs thanks to In computer programming, a buffer overflow is an anomalous condition where a program somehow writes data beyond the allocated end of a buffer in memory. Buffer overflows usually arise as a consequence of a bug and the use of languages such as C or C++ that are not memory-safe... buffer overflows, and can be caused by attacks such as stack overflows, A heap overflow is the same thing as a buffer overflow occurring in the heap data area. Memory on the heap is dynamically allocated by the application at run-time and typically contains program data. Heap overflows are sometimes used by crackers to exploit badly written software. The technique is... heap overflows and integer overflows. Format string attacks are a new class of vulnerabilities discovered in June of 2000 previously thought harmless. Format string attacks can be used to crash a program or to execute harmful code. The problem stems from the use of unfiltered user input as the format string parameter in certain C... Format string attacks will also suffice.