Buffer overflow protection refers to various techniques used during software development to enhance the security of executable programs by detecting buffer overflows on stack-allocated variables as they occur and preventing them from becoming serious security vulnerabilities. There have been several implementations of buffer overflow protection.
This article deals with stack-based overflow; similar protections also exist against heap-based overflows, but they are implementation-specific.
Read more about Buffer Overflow Protection: How It Works, Canaries, Attacks That Cannot Be Protected Against, Bounds Checking, Tagging, An Example of Canaries
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