Security

Double Free

A double free is a memory bug where a program releases the same block of heap memory twice. It can corrupt the allocator's internal data and, with attacker-controlled input, lead to code execution.

Deep dive

Learn Article

What Is an Integer Overflow Vulnerability?

An integer overflow vulnerability wraps a size calculation to a tiny number, so code writes past its buffer. Here is how that becomes code execution.

beginner 5 min read

Back to glossary