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Arbitrary Free III<br />
Arbitrary Free (generic) requirements:<br />
• Control <strong>the</strong> X pointer<br />
• Know <strong>the</strong> address of <strong>the</strong> Y chunk (partial<br />
overwrite, info leak, heap spray)<br />
• Contain any deallocation corruption to Y<br />
• Sufficient control of Z usage<br />
• Ability to leverage control of Y