# Uninitialized Memory

### Introduction

Another type of vulnerabilities is uninitialized memory that may allow untrusted host (i.e., the OS) to infer the data inside an enclave.

### SGX-Bleed

This video shows how the SGX-Bleed problem leaks uninitialized SGX memory via structure padding.

{% embed url="<https://youtu.be/Cd-o_wV4iGk>" %}


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