What is a buffer overflow in C?
A buffer overflow occurs when data exceeds a buffer's storage capacity, leading to data corruption or security vulnerabilities.
Can you give me an example of how a buffer overflow can happen?
Sure! For instance, if you have a character array of size 10 and you try to copy a string of length 15 into it, it will overflow.
What are the potential risks of buffer overflow?
Buffer overflows can lead to crashes, data corruption, or even allow attackers to execute arbitrary code.
How can I prevent buffer overflow in my C programs?
You can prevent buffer overflows by using safer functions like strncpy
instead of strcpy
, and by always checking buffer sizes.
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