Stories by jgeralnik

Evaluating GPT-5.2 Thinking: Cryptographic Challenge Case Study

Cursor Bird

Vibecoding my way to a crit on GitHub

The bold gamble that helped Wiz CEO Assaf Rappaport win a $32B deal

Executing arbitrary Python code from a comment

NVIDIAScape – Container Escape in Nvidia Container Toolkit

Start from 2D: How I Design 3D Levels Using the Wrap-around Method

The Story of VaccinateCA (2022)

Kyberslash: Division timings depending on secrets in Kyber software

Real-time tracking of wildfire boundaries using satellite imagery

Bizarro World: World Record Tetris (2007)

WhyProfiler – hybrid profiler for Jupyter notebook and Python

Bitcoin blockchain surpasses 2^92 hashes

Pwnat – Autonomous Nat Traversal (2010)

Many Bluetooth Implementations and OS Drivers Affected by Crypto Bug

Catching integer overflows with template metaprogramming (2015)

IoT Goes Nuclear: Creating a ZigBee Chain Reaction

Linux kernel: multiple x86_64 vulnerabilities

Qira – Program Tracing with IDA Plugin

Rarara – Reversing Challenge from Secuinside CTF