Exploiting Heap Overlaps via Chunk Extension with Off-by-One Vulnerabilities

Heap Extension Mechanism Chunk extension is a common heap exploitation technique that enables chunk overlapping. Successful deployment requires two core prerequisites: A heap-based vulnerability exists in the target binary The vulnerability allows manipulation of chunk header metadata This approach rarely grants direct control over program ex ...

Posted on Wed, 13 May 2026 12:47:34 +0000 by jrbissell