Often Misused: Exception Handling

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This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.


Abstract

The _alloca() function can throw a stack overflow exception, potentially causing the program to crash.

Description

The _alloca() function allocates memory on the stack. If an allocation request is too large for the available stack space, _alloca() throws an exception. If the exception is not caught, the program will crash, potentially enabling a denial of service attack.

_alloca() has been deprecated as of Microsoft Visual Studio 2005®. It has been replaced with the more secure _alloca_s().

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