# Code cave

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Series of unused bytes in a process's memory

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A **code cave**[1] is a series of unused bytes in a [process](/source/Process_(computing))' memory. The code cave inside a process's memory is often a reference to a section that has capacity for injecting custom instructions.[*[citation needed](https://en.wikipedia.org/wiki/Wikipedia:Citation_needed)*]

## References

1. **[^](#cite_ref-1)** Uğurlu, Güney; Açıcı, Koray (September 2022). ["An Analysis Tool that Detects The Code Caves in Specified Sizes for Portable Executable Files"](https://ieeexplore.ieee.org/document/10009843). *ieeexplore.ieee.org*. 2022 International Conference on Theoretical and Applied Computer Science and Engineering (ICTASCE). pp. 38–41. [doi](/source/Doi_(identifier)):[10.1109/ICTACSE50438.2022.10009843](https://doi.org/10.1109%2FICTACSE50438.2022.10009843). Retrieved 25 October 2025.

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