All our latest Blogpost and News about Fuzzing!
Linux Hardening State of Linux Snapshot Fuzzing What is snapshot fuzzing ? Fuzzing is a well-established technique for finding software vulnerabilities, and snapshot fuzzing represents a significant advancement, enhancing efficiency and expanding the scope of testable software. Snapshot fuzzing is particularly valuable in application security where it enables thorough black-box testing of applications, regardless of…
Attacking & Fuzzing of Polkadot Node Triggering Denial-of-Service via Gossamer RPC Flaws Gossamer is a Go-based implementation of a Polkadot node, developed by ChainSafe Systems. It allows interaction with the Polkadot network, enabling users to participate as full nodes, validators, or other roles. In this post, we will show you what we did to find…
BGP Under Pressure Protocol Fuzzing in action When it comes to keeping the internet running smoothly, the Border Gateway Protocol (BGP) is absolutely essential. BGP is the backbone of how routers share the best paths for data across different networks. Given its importance, even small bugs can cause big headaches. That’s why we’ve been busy…
rediscovery of the starknet zklend hack How Fuzzing Could Have Prevented the zkLend Hack The recent zkLend hack has stirred up significant discussion in the community, and today we’d like to share some insights from our deep dive into the vulnerability using fuzzing techniques at FuzzingLabs. Our investigation reveals that a simple fuzzing test could…
REcon 2025 – Training Announcement Fuzzing Windows Userland Applications Training Master the art of uncovering vulnerabilities in Windows applications with our in-depth Windows Fuzzing training at ReCon 2025! This hands-on course will guide you through the fundamentals of fuzzing, advanced techniques like grammar-based and symbolic execution, and real-world applications targeting browsers, antivirus software, and more….
REcon 2025 – Training Announcement Rust Development for Cybersecurity Training Dive into the world of cutting-edge cybersecurity tools with our exclusive Rust Development for Cybersecurity Training! Led by experts Matthieu Christophe and Tanguy Duhamel, this hands-on program will equip you with advanced Rust techniques to build defensive and offensive security tools, unlocking your potential to…
Story / Security Assessment Completed Strengthening Blockchain-Based IP Management At FuzzingLabs we recently completed a comprehensive security assessment of Story, a decentralized network that aims to revolutionize intellectual property (IP) management. This audit was undertaken to ensure the security and resilience of its blockchain-based infrastructure, smart contracts, and consensus mechanisms. Below, we provide an overview…
OffensiveCon 2025 – Training Announcement Practical Web Browser Fuzzing Training Kickstart your journey into the intricate world of web browser fuzzing at OffensiveCon 2025! This exclusive training, led by experts Patrick Ventuzelo and Tanguy Duhamel, is your opportunity to master advanced fuzzing techniques and uncover vulnerabilities in some of the most widely used software globally….
Poseidon Sponge Bugs in ArkWorks Avoiding Cryptographic Failures in Hashing We found two subtle yet impactful bugs in the ArkWorks library’s implementation of the Poseidon Sponge. This discovery highlights the complexity and precision required in cryptographic implementations. In this article, we’ll first explain what Poseidon Sponge is, how it works, and then delve into the…
Uncovering a Subtle Bug in Ethereum Virtual Machine (EVM) The Case of Arithmetic Negating Zero Our team at FuzzingLabs has been auditing the Ethereum Virtual Machine (EVM) implementation by LambdaClass. Throughout the audit, we’ve identified several vulnerabilities, but in this post, we’ll focus on one particularly interesting issue involving the SDIV operation and its handling…
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